/* classroom.css */

:root {
    --crm-primary: #1b8a4f;
    --crm-primary-dark: #126338;
    --crm-bg: #f8fbfa;
    --crm-panel-bg: #ffffff;
    --crm-text: #2d3748;
    --crm-text-muted: #718096;
    --crm-border: #edf2f7;
    --accent-missing: #e53e3e;
    --accent-done: #38a169;
}

body {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    background: var(--crm-bg);
    color: var(--crm-text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.classroom-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 64px;
    background: var(--crm-panel-bg);
    border-bottom: 1px solid var(--crm-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-brand h1 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--crm-primary);
}

.brand-logo {
    height: 32px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.class-switcher {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--crm-border);
    font-family: inherit;
    font-size: 0.95rem;
    background: #f1f5f9;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--crm-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Layout */
.classroom-layout {
    display: flex;
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 24px;
    gap: 32px;
}

/* Responsiveness */
@media (max-width: 768px) {
    .classroom-layout {
        flex-direction: column;
    }
}

.classroom-sidebar {
    width: 240px;
    flex-shrink: 0;
}

.classroom-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-tab {
    padding: 12px 16px;
    border: none;
    background: transparent;
    text-align: left;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--crm-text-muted);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-tab:hover {
    background: #f1f5f9;
    color: var(--crm-text);
}

.nav-tab.active {
    background: var(--crm-primary);
    color: #fff;
    box-shadow: 0 2px 4px rgba(27, 138, 79, 0.1);
}

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

.view-panel h2 {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.empty-state {
    color: var(--crm-text-muted);
    text-align: center;
    padding: 40px;
    background: var(--crm-panel-bg);
    border-radius: 8px;
    border: 1px dashed var(--crm-border);
}

/* To Do Filters */
.todo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.todo-filters {
    display: flex;
    gap: 8px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 8px;
}

.filter-btn {
    padding: 6px 16px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-family: inherit;
    font-weight: 500;
    color: var(--crm-text-muted);
    cursor: pointer;
}

.filter-btn.active {
    background: #fff;
    color: var(--crm-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Cards */
.feed-container,
.modules-container,
.todo-list-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stream-card,
.todo-card {
    background: var(--crm-panel-bg);
    border: 1px solid var(--crm-border);
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stream-card:hover,
.todo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-color: var(--crm-primary);
}

.todo-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.todo-card h3 {
    margin: 0 0 4px 0;
    font-size: 1.1rem;
}

.todo-card-meta {
    font-size: 0.85rem;
    color: var(--crm-text-muted);
}

/* Modal */
.assignment-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.assignment-modal-container {
    background: #fff;
    width: 90%;
    max-width: 960px;
    height: 85vh;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.assignment-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--crm-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.title-group {
    display: flex;
    gap: 16px;
    align-items: center;
}

.assignment-icon {
    width: 48px;
    height: 48px;
    background: var(--crm-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
}

.title-group h2 {
    margin: 0 0 4px 0;
    font-size: 1.25rem;
}

.assignment-meta {
    margin: 0;
    font-size: 0.85rem;
    color: var(--crm-text-muted);
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--crm-text-muted);
}

.assignment-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

@media (max-width: 768px) {
    .assignment-body {
        flex-direction: column;
        overflow-y: auto;
    }
}

.assignment-instructions {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    border-right: 1px solid var(--crm-border);
}

.assignment-submission-panel {
    width: 340px;
    padding: 32px;
    background: #f8f9fa;
    overflow-y: auto;
}

.submission-card {
    background: #fff;
    border: 1px solid var(--crm-border);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.submission-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.submission-card-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 99px;
    font-weight: 700;
    text-transform: uppercase;
}

.status-badge.missing {
    background: #fee2e2;
    color: var(--accent-missing);
}

.status-badge.done {
    background: #d1fae5;
    color: var(--accent-done);
}

.status-badge.assigned {
    background: #e2e8f0;
    color: #4a5568;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 6px;
    background: var(--crm-primary);
    color: #fff;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 16px;
}

.submit-btn:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
}

.submit-btn:not(:disabled):hover {
    background: var(--crm-primary-dark);
}

.audio-recorder-widget {
    border: 2px dashed var(--crm-border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    margin-bottom: 16px;
    background: #fafafa;
}

.record-btn {
    background: #fff;
    border: 2px solid var(--crm-border);
    padding: 12px 24px;
    border-radius: 30px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    width: 100%;
    color: var(--crm-text);
    transition: all 0.2s;
}

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

.record-btn .icon {
    font-size: 1.2em;
    color: var(--accent-missing);
}

.recording-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--accent-missing);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 12px;
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-missing);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(229, 62, 62, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(229, 62, 62, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(229, 62, 62, 0);
    }
}

.stop-btn {
    background: var(--accent-missing);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    width: 100%;
}

.stop-btn:hover {
    background: #c53030;
}

.validation-note {
    font-size: 0.85rem;
    color: var(--accent-missing);
    margin-top: 12px;
    text-align: center;
}