/**
 * QuranLearn Platform - Teaching System Styles
 * Complete online Quran teaching components with responsive design
 */

/* ===== Teaching Container ===== */
.teaching-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.teaching-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.teaching-title-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.teaching-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-inverse);
}

.teaching-title-section h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.teaching-title-section p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.teaching-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== Teaching Tabs ===== */
.teaching-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.teaching-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.teaching-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.teaching-tab.active {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--primary);
    margin-bottom: -2px;
}

.teaching-tab i {
    font-size: 1rem;
}

/* ===== Teaching Content ===== */
.teaching-content {
    display: none;
}

.teaching-content.active {
    display: block;
}

/* ===== Dashboard Section ===== */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.dashboard-stat-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.dashboard-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.students { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.stat-icon.classes { background: rgba(5, 150, 105, 0.1); color: var(--primary); }
.stat-icon.hours { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.stat-icon.rating { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }

.stat-details {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.dashboard-section-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.dashboard-section-card.full-width {
    grid-column: 1 / -1;
}

.dashboard-section-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.dashboard-section-card h3 i {
    color: var(--primary);
}

/* ===== Upcoming Classes ===== */
.upcoming-classes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.upcoming-class-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.upcoming-class-item:hover {
    background: var(--border-color);
}

.class-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    min-width: 80px;
}

.class-time .time {
    font-weight: 600;
    color: var(--primary);
}

.class-time .duration {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.class-info {
    flex: 1;
}

.class-info h4 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.class-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.class-info p i {
    color: var(--primary);
}

.class-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== Progress Overview ===== */
.progress-overview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.progress-item {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.progress-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.progress-header span:first-child {
    font-weight: 500;
}

.progress-header span:last-child {
    color: var(--primary);
    font-weight: 600;
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-bar .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.progress-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===== Messages List ===== */
.messages-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.message-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.message-item:hover {
    background: var(--border-color);
}

.message-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.sender-name {
    font-weight: 500;
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.message-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* ===== Schedule View ===== */
.schedule-calendar {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-header h3 {
    font-size: var(--font-size-lg);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

.calendar-day {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    min-height: 120px;
    padding: var(--spacing-sm);
}

.day-header {
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.day-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.class-slot {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.class-slot.scheduled {
    background: var(--primary);
    color: var(--text-inverse);
}

.class-slot.scheduled:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.class-slot.empty {
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--spacing-md);
}

.slot-time {
    display: block;
    font-weight: 600;
    margin-bottom: 2px;
}

.slot-title {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.schedule-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.sidebar-section h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section .btn {
    margin-bottom: var(--spacing-sm);
}

.sidebar-section .btn:last-child {
    margin-bottom: 0;
}

.stat-mini {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-mini:last-child {
    border-bottom: none;
}

.stat-mini-value {
    font-weight: 600;
    color: var(--primary);
}

.stat-mini-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===== Virtual Classroom ===== */
.classroom-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-lg);
    height: calc(100vh - var(--header-height) - var(--player-height) - 200px);
    min-height: 500px;
}

.classroom-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.video-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.main-video {
    position: relative;
    background: #1a1a1a;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder {
    text-align: center;
    color: #888;
}

.video-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.video-placeholder p {
    font-size: var(--font-size-sm);
}

.video-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.video-controls .btn-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.video-controls .btn-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.video-controls .btn-icon.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.video-controls .end-call {
    background: #ef4444;
    border-color: #ef4444;
    color: var(--text-inverse);
}

.video-controls .end-call:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.speaker-name {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-inverse);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.participant-videos {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    overflow-x: auto;
}

.participant-video {
    flex-shrink: 0;
    width: 120px;
    position: relative;
}

.participant-video .video-placeholder {
    background: #2a2a2a;
    aspect-ratio: 4/3;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.participant-video .video-placeholder i {
    font-size: 1.5rem;
}

.participant-name {
    position: absolute;
    bottom: var(--spacing-xs);
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-inverse);
    padding: 2px var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Whiteboard Section ===== */
.whiteboard-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.whiteboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.whiteboard-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    margin: 0;
}

.whiteboard-header h4 i {
    color: var(--primary);
}

.whiteboard-tools {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tool-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.tool-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tool-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.color-picker input[type="color"] {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    padding: 0;
    background: transparent;
}

.whiteboard-canvas {
    flex: 1;
    position: relative;
    background: #fff;
    min-height: 300px;
}

.whiteboard-canvas canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.whiteboard-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #888;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.whiteboard-placeholder i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.whiteboard-placeholder p {
    margin-bottom: var(--spacing-xs);
}

.whiteboard-placeholder .hint {
    font-size: var(--font-size-sm);
    color: #aaa;
}

/* ===== Chat Sidebar ===== */
.classroom-sidebar {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.chat-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    margin: 0;
}

.chat-header h4 i {
    color: var(--primary);
}

.online-count {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.online-count i {
    font-size: 8px;
    color: #22c55e;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    min-height: 200px;
    max-height: 400px;
}

.chat-message.system {
    text-align: center;
}

.chat-message.system p {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    display: inline-block;
}

.chat-message .message-sender {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.chat-message .message-text {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    display: inline-block;
    max-width: 100%;
    word-wrap: break-word;
}

.chat-message .message-time {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

.chat-input {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    font-size: var(--font-size-sm);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-input .btn {
    padding: var(--spacing-sm) var(--spacing-md);
}

/* ===== Class Controls Bar ===== */
.class-controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.controls-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.class-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--primary);
}

.class-timer i {
    font-size: 1rem;
}

.class-title {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.controls-center {
    display: flex;
    gap: var(--spacing-sm);
}

.controls-center .btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.controls-center .btn-icon:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.controls-right {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== Materials Grid ===== */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.material-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.material-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.material-icon {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto var(--spacing-md);
}

.material-card h4 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.material-card p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.material-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.material-actions .btn-icon {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

/* ===== Classes Grid ===== */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .classroom-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .classroom-sidebar {
        max-height: 400px;
    }

    .whiteboard-canvas {
        min-height: 400px;
    }
}

@media (max-width: 992px) {
    .dashboard-sections {
        grid-template-columns: 1fr;
    }

    .dashboard-section-card.full-width {
        grid-column: 1;
    }

    .schedule-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .schedule-sidebar .sidebar-section {
        flex: 1;
        min-width: 250px;
    }
}

@media (max-width: 768px) {
    .teaching-container {
        padding: var(--spacing-md);
    }

    .teaching-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .teaching-title-section {
        flex-direction: column;
        text-align: center;
    }

    .teaching-actions {
        width: 100%;
        justify-content: center;
    }

    .teaching-tabs {
        justify-content: flex-start;
        padding-bottom: 0;
    }

    .teaching-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .teaching-tab i {
        display: none;
    }

    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .upcoming-class-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .class-time {
        flex-direction: row;
        gap: var(--spacing-sm);
        width: 100%;
        justify-content: flex-start;
    }

    .class-actions {
        width: 100%;
    }

    .class-actions .btn {
        flex: 1;
    }

    .calendar-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .calendar-day {
        min-height: 80px;
    }

    .class-controls-bar {
        flex-direction: column;
        text-align: center;
    }

    .controls-left {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .controls-center {
        flex-wrap: wrap;
        justify-content: center;
    }

    .controls-right {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .calendar-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .calendar-day {
        min-height: 60px;
    }

    .day-header {
        font-size: var(--font-size-xs);
    }

    .class-slot {
        padding: var(--spacing-xs);
    }

    .slot-time {
        font-size: 10px;
    }

    .slot-title {
        font-size: 10px;
        display: none;
    }

    .video-controls {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .video-controls .btn-icon {
        width: 44px;
        height: 44px;
    }

    .participant-videos {
        display: none;
    }

    .whiteboard-tools {
        flex-wrap: wrap;
    }

    .whiteboard-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .message-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .message-avatar {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-sm);
    }
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

.full-width {
    grid-column: 1 / -1 !important;
}

/* ===== Section Header ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.section-header h2 i {
    color: var(--primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.header-actions select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
}

/* ===== Students Section ===== */
.students-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.students-stats .stat-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.students-stats .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.students-stats .stat-icon.total { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.students-stats .stat-icon.active { background: rgba(5, 150, 105, 0.1); color: var(--primary); }
.students-stats .stat-icon.attendance { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.students-stats .stat-icon.new { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

.students-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    min-height: 600px;
}

.students-sidebar {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.students-sidebar .search-box {
    position: relative;
}

.students-sidebar .search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.students-sidebar .search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.filter-group select {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-tertiary);
}

.student-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.student-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.student-item:hover {
    background: var(--bg-tertiary);
}

.student-item.active {
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid var(--primary);
}

.student-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.student-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.student-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.student-level {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.student-details {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.student-profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-inverse);
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
}

.profile-info {
    flex: 1;
}

.profile-info h2 {
    margin-bottom: var(--spacing-sm);
}

.profile-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.badge-active { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.badge-level { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }
.badge-hifz { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }

.contact-info {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.profile-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.student-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    overflow-x: auto;
}

.student-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.student-tab:hover {
    color: var(--text-primary);
}

.student-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--bg-secondary);
}

.student-tab-content {
    display: none;
    padding: var(--spacing-lg);
}

.student-tab-content.active {
    display: block;
}

.progress-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.progress-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
}

.progress-card h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.progress-card h4 i {
    color: var(--primary);
}

.progress-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.progress-detail {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.progress-card .progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    margin-top: var(--spacing-sm);
    overflow: hidden;
}

.progress-card .progress-bar .fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
}

.memorization-log h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.log-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.log-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.log-date {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    min-width: 80px;
}

.log-surah {
    font-weight: 500;
    flex: 1;
}

.log-verses {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.log-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.status-mastered { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.status-review { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }

/* Attendance Calendar */
.attendance-calendar {
    margin-bottom: var(--spacing-xl);
}

.calendar-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.calendar-controls h4 {
    font-size: var(--font-size-lg);
}

.attendance-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.attendance-grid .day-header {
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--spacing-sm);
}

.attendance-grid .day-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.attendance-grid .day-cell.empty {
    background: transparent;
}

.attendance-grid .day-cell.present {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.attendance-grid .day-cell.absent {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.attendance-grid .day-cell.late {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.attendance-grid .day-cell:hover {
    transform: scale(1.1);
}

.attendance-legend {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.legend-item .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-item .dot.present { background: #22c55e; }
.legend-item .dot.absent { background: #ef4444; }
.legend-item .dot.late { background: #f59e0b; }

.attendance-summary {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.attendance-summary h4 {
    margin-bottom: var(--spacing-md);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    text-align: center;
}

.summary-stat .value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.summary-stat .label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Homework */
.homework-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.homework-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.homework-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.homework-status {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.homework-status.pending { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.homework-status.completed { background: rgba(34, 197, 94, 0.1); color: #22c55e; }

.homework-info {
    flex: 1;
}

.homework-info h5 {
    margin-bottom: var(--spacing-xs);
}

.homework-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.homework-due {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Assessment List */
.assessment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.assessment-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.assessment-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.assessment-type {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.assessment-type.tajweed { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.assessment-type.hifz { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.assessment-type.recitation { background: rgba(5, 150, 105, 0.1); color: var(--primary); }

.assessment-info {
    flex: 1;
}

.assessment-info h5 {
    margin-bottom: var(--spacing-xs);
}

.assessment-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.assessment-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.assessment-score {
    text-align: center;
}

.assessment-score .score {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.assessment-score .grade {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===== Curriculum Section ===== */
.curriculum-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.curriculum-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}
    max-width: 160px;
}

.curriculum-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.curriculum-tab.active {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--primary);
    margin-bottom: -2px;
}

.curriculum-content {
    display: none;
}

.curriculum-content.active {
    display: block;
}

/* Lesson Plans */
.lesson-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.lesson-plan-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.lesson-plan-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.lesson-plan-card .plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.plan-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary);
    color: var(--text-inverse);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.plan-date {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.lesson-plan-card h4 {
    margin-bottom: var(--spacing-sm);
}

.lesson-plan-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.plan-details {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.plan-details span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.plan-details span i {
    color: var(--primary);
}

.plan-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.plan-actions .btn {
    flex: 1;
}

.lesson-plan-card.add-new {
    border: 2px dashed var(--border-color);
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-height: 200px;
    transition: all var(--transition-fast);
}

.lesson-plan-card.add-new:hover {
    border-color: var(--primary);
    background: rgba(5, 150, 105, 0.05);
}

.add-new .add-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* Courses */
.courses-management {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.course-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.course-header {
    padding: var(--spacing-lg);
    color: var(--text-inverse);
}

.course-header h4 {
    margin-bottom: var(--spacing-xs);
}

.course-level {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
}

.course-body {
    padding: var(--spacing-lg);
}

.course-body p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.course-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.course-stats span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.course-progress {
    margin-bottom: var(--spacing-md);
}

.course-progress .progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.course-progress .fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
}

.course-progress span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.course-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    padding-top: 0;
}

.course-actions .btn {
    flex: 1;
}

.course-card.add-course {
    border: 2px dashed var(--border-color);
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-height: 250px;
    transition: all var(--transition-fast);
}

.course-card.add-course:hover {
    border-color: var(--primary);
    background: rgba(5, 150, 105, 0.05);
}

/* Homework Management */
.homework-management {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.homework-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.homework-filters select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
}

.homework-table table {
    width: 100%;
    border-collapse: collapse;
}

.homework-table th,
.homework-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.homework-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.status-badge.pending { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.status-badge.completed { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.status-badge.overdue { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.status-badge.paid { background: rgba(34, 197, 94, 0.1); color: #22c55e; }

/* Templates */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.template-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.template-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.template-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(5, 150, 105, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.template-card h4 {
    margin-bottom: var(--spacing-sm);
}

.template-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.template-card.add-template {
    border: 2px dashed var(--border-color);
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-height: 180px;
}

.template-card.add-template:hover {
    border-color: var(--primary);
}

.add-template .add-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* ===== Assessments Section ===== */
.assessment-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.assessment-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}
    max-width: 160px;
}

.assessment-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.assessment-tab.active {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--primary);
    margin-bottom: -2px;
}

.assessment-content {
    display: none;
}

.assessment-content.active {
    display: block;
}

/* Tajweed Checklist */
.tajweed-assessment {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.tajweed-checklist h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.checklist-group h5 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checklist-item:hover {
    background: var(--bg-tertiary);
}

.checklist-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.tajweed-score-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.tajweed-score-input label {
    font-weight: 500;
}

.score-input {
    width: 80px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Hifz Assessment */
.hifz-assessment {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.hifz-tracker h4 {
    margin-bottom: var(--spacing-lg);
}

.juz-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.juz-selector select {
    flex: 1;
    max-width: 400px;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
}

.hifz-progress-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.hifz-circle {
    position: relative;
    width: 150px;
    height: 150px;
}

.hifz-circle svg {
    transform: rotate(-90deg);
}

.hifz-percent {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.hifz-details {
    flex: 1;
}

.hifz-details p {
    margin-bottom: var(--spacing-sm);
}

.hifz-log-form {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.hifz-log-form h5 {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row input,
.form-row select {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
}

.form-row textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    resize: vertical;
    min-height: 80px;
}

/* Recitation Assessment */
.recitation-assessment {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.recording-section,
.recitation-evaluation {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.recording-section h4,
.recitation-evaluation h4 {
    margin-bottom: var(--spacing-lg);
}

.recorder-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn-record {
    padding: var(--spacing-md) var(--spacing-xl);
    background: #ef4444;
    color: var(--text-inverse);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-record:hover {
    background: #dc2626;
}

.recording-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.rec-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ef4444;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.audio-playback audio {
    width: 100%;
}

.eval-criteria {
    margin-bottom: var(--spacing-lg);
}

.criteria-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.criteria-item label {
    min-width: 150px;
}

.criteria-item input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}

.criteria-item input[type="number"] {
    width: 60px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.criteria-value {
    font-weight: 600;
    color: var(--primary);
    min-width: 50px;
    text-align: right;
}

.eval-notes textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-tertiary);
    resize: vertical;
    min-height: 100px;
    margin-bottom: var(--spacing-md);
}

/* Quiz Builder */
.quiz-builder {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.quiz-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quiz-questions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.quiz-question-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.question-number {
    font-weight: 600;
}

.question-type {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.question-content input[type="text"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    margin-bottom: var(--spacing-md);
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.option-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.option-item input[type="radio"] {
    accent-color: var(--primary);
}

.option-item input[type="text"] {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--spacing-xs);
}

.correct-badge {
    color: #22c55e;
}

.tf-options {
    display: flex;
    gap: var(--spacing-lg);
}

.tf-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.tf-option input[type="radio"] {
    accent-color: var(--primary);
}

/* ===== Resources Section ===== */
.resource-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.resource-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}
    max-width: 160px;
}

.resource-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.resource-tab.active {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--primary);
    margin-bottom: -2px;
}

.resource-content {
    display: none;
}

.resource-content.active {
    display: block;
}

/* Quran Library */
.quran-library {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.quran-search {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.quran-search .search-box {
    flex: 1;
    position: relative;
}

.quran-search .search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.quran-search .search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
}

.reciter-select {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    min-width: 200px;
}

.surah-quick-list {
    margin-bottom: var(--spacing-xl);
}

.surah-quick-list h4 {
    margin-bottom: var(--spacing-md);
}

.surah-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.surah-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.surah-btn:hover {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.quran-display {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.quran-placeholder {
    text-align: center;
    color: var(--text-tertiary);
}

.quran-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* Audio Library */
.reciter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.reciter-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.reciter-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.reciter-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
}

.reciter-card h4 {
    margin-bottom: var(--spacing-sm);
}

.reciter-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Guides Library */
.guides-library {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.guide-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.guide-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.guide-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(5, 150, 105, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.guide-card h4 {
    margin-bottom: var(--spacing-sm);
}

.guide-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.guide-type {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Worksheets */
.worksheet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.worksheet-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.worksheet-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.worksheet-preview {
    height: 120px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.worksheet-card h4 {
    margin-bottom: var(--spacing-sm);
}

.worksheet-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.worksheet-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.worksheet-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Duas Library */
.dua-categories {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.dua-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.dua-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.dua-arabic {
    font-family: 'Amiri', serif;
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.dua-translation {
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.dua-source {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.dua-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ===== Messages Section ===== */
.messages-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 600px;
}

.messages-sidebar {
    border-right: 1px solid var(--border-color);
}

.message-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.msg-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    white-space: nowrap;
}
    min-width: 80px;
    max-width: 140px;
}

.msg-tab:hover {
    background: var(--bg-tertiary);
}

.msg-tab.active {
    color: var(--primary);
    background: var(--bg-tertiary);
}

.conversation-list {
    overflow-y: auto;
    max-height: 540px;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.conversation-item:hover {
    background: var(--bg-tertiary);
}

.conversation-item.active {
    background: rgba(5, 150, 105, 0.1);
}

.conv-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.conv-avatar i {
    font-size: 1rem;
}

.conv-info {
    flex: 1;
    min-width: 0;
}

.conv-name {
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
}

.conv-preview {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conv-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.conv-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.conv-badge {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.message-main {
    display: flex;
    flex-direction: column;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.recipient-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.recipient-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.recipient-info h4 {
    margin-bottom: 2px;
}

.recipient-status {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.message-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.message-actions .btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
}

.message-actions .btn-icon:hover {
    background: var(--primary);
    color: var(--text-inverse);
}

.message-thread {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 400px;
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 70%;
}

.message.sent {
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    flex-shrink: 0;
}

.message-body {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.message.sent .message-body {
    background: var(--primary);
    color: var(--text-inverse);
}

.message-body p {
    margin-bottom: var(--spacing-sm);
}

.message-time {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.message-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.input-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.input-actions .btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
}

.message-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
}

/* ===== Reports Section ===== */
.report-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.report-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    min-width: 100px;
    max-width: 160px;
}

.report-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.report-tab.active {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--primary);
    margin-bottom: -2px;
}

.report-content {
    display: none;
}

.report-content.active {
    display: block;
}

/* Analytics */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.analytics-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.analytics-card.large {
    grid-column: span 2;
}

.analytics-card h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.analytics-card h4 i {
    color: var(--primary);
}

.chart-placeholder {
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    width: 100%;
    height: 100%;
}

.chart-bars .bar {
    width: 40px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    position: relative;
}

.chart-bars .bar span {
    position: absolute;
    bottom: -25px;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.top-performers,
.top-streaks {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.performer,
.streak-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.performer .rank {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.performer .score,
.streak-days {
    margin-left: auto;
    font-weight: 600;
    color: var(--primary);
}

.attention-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.attention-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--border-radius-sm);
}

.attention-item .student {
    font-weight: 500;
}

.attention-item .issue {
    color: #f59e0b;
    font-size: var(--font-size-sm);
}

/* Student Report Table */
.student-report-table {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.student-report-table table {
    width: 100%;
    border-collapse: collapse;
}

.student-report-table th,
.student-report-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.student-report-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.trend-up { color: #22c55e; }
.trend-down { color: #ef4444; }
.trend-stable { color: var(--text-secondary); }

/* Attendance Report */
.attendance-chart {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.attendance-chart h4 {
    margin-bottom: var(--spacing-xl);
}

.chart-placeholder.horizontal {
    flex-direction: column;
    height: auto;
}

.attendance-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.bar-label {
    min-width: 120px;
    font-size: var(--font-size-sm);
}

.bar-fill {
    flex: 1;
    height: 32px;
    background: var(--primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spacing-md);
    color: var(--text-inverse);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.bar-fill.warning {
    background: #f59e0b;
}

/* Financial Report */
.financial-report {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.financial-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.finance-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    text-align: center;
}

.finance-card h4 {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.finance-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.finance-period {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.billing-table {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.billing-table h4 {
    margin-bottom: var(--spacing-lg);
}

.billing-table table {
    width: 100%;
    border-collapse: collapse;
}

.billing-table th,
.billing-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.billing-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .analytics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .analytics-card.large {
        grid-column: span 2;
    }
    
    .recitation-assessment {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .students-container {
        grid-template-columns: 1fr;
    }
    
    .students-sidebar {
        max-height: 300px;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-card.large {
        grid-column: span 1;
    }
    
    .financial-summary {
        grid-template-columns: 1fr;
    }
    
    .messages-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .messages-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 200px;
    }
    
    .message-main {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .teaching-tabs {
        flex-wrap: nowrap;
    }
    
    .teaching-tab span {
        display: none;
    }
    
    .students-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .student-profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-actions {
        width: 100%;
        justify-content: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .student-tabs {
        overflow-x: auto;
    }
    
    .summary-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .lesson-plans-grid,
    .courses-management {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .checklist-grid {
        grid-template-columns: 1fr;
    }
    
    .hifz-progress-visual {
        flex-direction: column;
        text-align: center;
    }
    
    .dua-categories {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .students-stats {
        grid-template-columns: 1fr;
    }
    
    .progress-overview-grid {
        grid-template-columns: 1fr;
    }
    
    .student-tabs {
        justify-content: flex-start;
    }
    
    .attendance-grid {
        font-size: var(--font-size-xs);
    }
    
    .financial-summary {
        grid-template-columns: 1fr;
    }
}