/* shared/handout.css */
/* Core layout and theme engine for Literacy Rotations */

:root {
    /* Color Palette - Default Light Mode */
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --border: #E2E8F0;
    --border-hover: #CBD5E1;
    --input-focus: #3B82F6;
    
    /* Layout Dimensions */
    --radius: 12px;
    --radius-lg: 16px;
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
    --reader-scale: 1;
    
    /* System Colors */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
}

[data-theme="dark"] {
    /* Color Palette - Dark Mode */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --border: #334155;
    --border-hover: #475569;
}

/* Global resets & typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.25s, border-color 0.25s, color 0.25s;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: calc(1rem * var(--reader-scale));
    line-height: 1.6;
    padding: 2rem 1.5rem;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Breadcrumbs */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .sep {
    opacity: 0.5;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.site-header h1 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.site-header .lede {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-family: var(--font-display);
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

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

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
}

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

[data-theme="dark"] .btn-primary {
    color: #0F172A;
}

.btn-danger {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.05);
    border-color: var(--danger);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-outline {
    background: transparent;
    border-color: var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent);
}

.theme-toggle {
    font-size: 1.25rem;
    padding: 0.5rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
}

/* Metadata Card */
.meta-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.meta-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1 1 200px;
}

.meta-input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-input-group input {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    width: 100%;
}

.meta-input-group input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.nav-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

/* Print labels */
.print-metadata-row {
    display: none;
    width: 100%;
    gap: 2rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    border-bottom: 2px solid #000;
    padding-bottom: 0.5rem;
}

/* Toolbar */
.student-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
}

.toolbar-group {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbar-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.draft-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    opacity: 0.7;
}

.draft-status.saved {
    color: var(--success);
    font-weight: 600;
    opacity: 1;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 100;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Confetti Overlay */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 99;
    display: none;
}

/* Workspace */
.workspace {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    min-height: 500px;
}

@media (min-width: 1024px) {
    .workspace {
        grid-template-columns: 280px 1fr;
    }
}

/* Sidebar tab navigation */
.sidebar {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

@media (min-width: 1024px) {
    .sidebar {
        flex-direction: column;
        overflow-x: visible;
        padding-bottom: 0;
    }
}

.tab-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    min-width: 180px;
}

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

.tab-btn.active {
    background-color: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent);
}

.tab-btn .badge {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.tab-btn.active .badge {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
}

.tab-btn .badge.complete {
    background-color: var(--success);
    color: #FFFFFF;
    border-color: var(--success);
}

/* Main Panel & Sections */
.main-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
}

.section-position-indicator {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.section-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-panel[hidden] {
    display: none !important;
}

.section-heading {
    border-bottom: 2px solid var(--border);
    padding-bottom: 1rem;
}

.section-eyebrow {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.section-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.section-title-row h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-instruction {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Layouts structure */
.task-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.task-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .task-card {
        flex-direction: row;
        min-height: 250px;
    }
    
    .task-card > .reading-block,
    .task-card > .response-block {
        flex: 1;
        width: 50%;
    }
    
    .task-card > .reading-block {
        border-right: 1px solid var(--border);
    }
}

/* Reading Block (Left Side) */
.reading-block {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

[data-theme="dark"] .reading-block {
    background-color: rgba(255, 255, 255, 0.01);
}

.reading-label {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.reading-text {
    font-size: calc(1.1rem * var(--reader-scale));
    line-height: 1.7;
    color: var(--text-primary);
}

.reading-text p {
    margin-bottom: 0.75rem;
}

.reading-text p:last-child {
    margin-bottom: 0;
}

/* Response Block (Right Side) */
.response-block {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--bg-secondary);
}

.question-heading-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.question-prompt {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
}

.save-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--success);
    background-color: rgba(16, 185, 129, 0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 99px;
    opacity: 0;
    transition: opacity 0.3s;
}

.save-indicator::before {
    content: "●";
}

.answer-textarea:focus + .response-footer + .save-indicator,
.save-indicator.saved {
    opacity: 1;
}

/* Textarea input responses sizes */
.answer-textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    resize: vertical;
}

.answer-textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.response-short {
    min-height: 80px;
}

.response-standard {
    min-height: 140px;
}

.response-evidence {
    min-height: 200px;
}

.response-footer {
    display: flex;
    justify-content: flex-end;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.print-answer-box {
    display: none;
}

/* Focus Passage Layout Navigation */
.focus-task-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.focus-task-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
}

.focus-task-position {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-secondary);
}

/* Shared Passage Layout (D) */
.shared-passage-workspace {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

@media (min-width: 1024px) {
    .shared-passage-workspace {
        flex-direction: row;
        min-height: 500px;
    }
    
    .shared-reading {
        width: 50%;
        border-right: 1px solid var(--border);
        padding-right: 1.5rem;
        overflow-y: auto;
    }
    
    .shared-questions {
        width: 50%;
        padding-left: 1.5rem;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }
}

.shared-reading {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.shared-reading .reading-label {
    color: var(--accent);
}

/* Shared Layout Focus View Mode */
.shared-passage-workspace[data-reading-mode="focus"] .shared-questions {
    display: none !important;
}

.shared-passage-workspace[data-reading-mode="focus"] .shared-reading {
    width: 100% !important;
    border-right: none !important;
    padding-right: 0 !important;
}

/* Workspace Focus Mode (Core Screen) */
.workspace-focus {
    grid-template-columns: 1fr !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 90;
    padding: 2rem;
    overflow-y: auto;
}

body:has(.workspace-focus) {
    overflow: hidden;
}

body:has(.workspace-focus) .site-header,
body:has(.workspace-focus) .meta-card,
body:has(.workspace-focus) .breadcrumb,
body:has(.workspace-focus) .sidebar,
body:has(.workspace-focus) .save-note {
    display: none !important;
}

body:has(.workspace-focus) .student-toolbar {
    position: sticky;
    top: 0;
    z-index: 95;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Save note footer */
.save-note {
    background-color: var(--accent-light);
    border: 1px solid var(--accent);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.save-note span[aria-hidden="true"] {
    color: var(--accent);
    font-size: 1.5rem;
    line-height: 1;
}

.save-note-text {
    flex: 1 1 300px;
    font-size: 0.95rem;
}

.save-note-btn {
    display: none; /* Only show in specific mobile views if needed, otherwise general buttons are in meta-card */
}

@media (max-width: 768px) {
    .save-note-btn {
        display: inline-flex;
        width: 100%;
        margin-top: 0.5rem;
    }
}

/* Visually Hidden Helper */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print CSS — .print-hide only applies when printing */
@media print {
    .print-hide {
        display: none !important;
    }
    
    body {
        background-color: #FFFFFF !important;
        color: #000000 !important;
        padding: 0 !important;
    }
    
    .container {
        gap: 2rem !important;
        max-width: 100% !important;
    }
    
    .meta-card {
        border: none !important;
        padding: 0 !important;
        box-shadow: none !important;
        display: block !important;
    }
    
    .meta-input-group,
    .nav-controls,
    .student-toolbar,
    .section-nav,
    .focus-task-nav {
        display: none !important;
    }
    
    .print-metadata-row {
        display: flex !important;
    }
    
    .section-panel {
        display: flex !important;
        page-break-inside: avoid;
        page-break-after: auto;
    }
    
    .section-heading {
        border-bottom: 2px solid #000 !important;
    }
    
    .task-list,
    .focus-task-list {
        display: flex !important;
        gap: 2rem !important;
    }
    
    .task-card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
        flex-direction: column !important;
        page-break-inside: avoid !important;
    }
    
    .task-card > .reading-block {
        border-right: none !important;
        border-bottom: 1px solid #000 !important;
    }
    
    .reading-block {
        background-color: #FFFFFF !important;
    }
    
    .response-block {
        background-color: #FFFFFF !important;
        padding-top: 1rem !important;
    }
    
    .answer-textarea {
        display: none !important;
    }
    
    .print-answer-box {
        display: block !important;
        border: 1px dashed #777 !important;
        min-height: 100px;
        border-radius: var(--radius);
        margin-top: 0.5rem;
        padding: 0.5rem;
        color: #000000;
        font-family: var(--font-body);
        font-size: 1.1rem;
    }
    
    /* Make sure all sections print in print mode */
    .section-panel[hidden] {
        display: flex !important;
    }
    
    .focus-task[hidden] {
        display: flex !important;
    }
    
    .shared-passage-workspace {
        flex-direction: column !important;
        border: none !important;
        padding: 0 !important;
    }
    
    .shared-reading {
        width: 100% !important;
        border-right: none !important;
        padding-right: 0 !important;
        margin-bottom: 2rem !important;
    }
    
    .shared-questions {
        width: 100% !important;
        padding-left: 0 !important;
        gap: 2rem !important;
    }
}