/* ====================================================
   PFE PRESENTATION — PREMIUM ACADEMIC THEME
   Tuberculose au CDTMR d'Errachidia
   ==================================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
    --primary: #0d9488;
    --primary-light: #14b8a6;
    --primary-dark: #0f766e;
    --primary-glow: rgba(13, 148, 136, 0.15);
    --accent: #f59e0b;
    --accent-light: #fbbf24;

    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #253449;
    --bg-surface: #162032;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1a2744 50%, #0f172a 100%);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(148, 163, 184, 0.12);
    --border-light: rgba(148, 163, 184, 0.08);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

ul {
    list-style: none;
}

a {
    color: var(--primary-light);
    text-decoration: none;
}

strong {
    color: var(--primary-light);
    font-weight: 600;
}

em {
    font-style: italic;
    color: var(--text-secondary);
}

kbd {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent));
    z-index: 1000;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 12px var(--primary-glow);
}

/* ==================== NAVIGATION ==================== */
.nav-bar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: rgba(30, 41, 59, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 50px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.nav-bar:hover {
    background: rgba(30, 41, 59, 0.95);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-right: 16px;
    border-right: 1px solid var(--border);
}

.nav-icon {
    font-size: 1.25rem;
}

.nav-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--primary-glow);
    color: var(--primary-light);
}

.nav-btn:active {
    transform: scale(0.92);
}

.slide-counter {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 50px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ==================== SLIDE MENU ==================== */
.slide-menu {
    position: fixed;
    top: 0;
    right: -380px;
    width: 380px;
    height: 100vh;
    background: rgba(22, 32, 50, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border);
    z-index: 200;
    padding: 32px 24px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.slide-menu.open {
    right: 0;
}

.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.menu-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.menu-header h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.close-menu {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.close-menu:hover {
    color: var(--text-primary);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.menu-item:hover {
    background: var(--primary-glow);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--primary-glow);
    color: var(--primary-light);
    border-left: 3px solid var(--primary);
}

.menu-item-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 28px;
    text-align: center;
}

/* ==================== SLIDES ==================== */
.slides-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(60px);
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-gradient);
    overflow-y: auto;
    padding: 40px 24px 100px;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.slide.prev {
    opacity: 0;
    transform: translateX(-60px);
}

.slide-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== SECTION LABELS ==================== */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-light);
    background: var(--primary-glow);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
    border: 1px solid rgba(13, 148, 136, 0.2);
}

.slide h2 {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== TITLE SLIDE ==================== */
.slide--title {
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(13, 148, 136, 0.08) 0%, transparent 60%),
                var(--bg-gradient);
}

.title-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-light);
    padding: 8px 24px;
    border: 1px solid rgba(13, 148, 136, 0.3);
    border-radius: 50px;
    margin-bottom: 32px;
    background: var(--primary-glow);
}

.title-main {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-primary);
}

.title-main .highlight {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.title-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 700px;
    margin: 0 auto 24px;
}

.meta-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: left;
    transition: var(--transition);
}

.meta-card:hover {
    border-color: rgba(13, 148, 136, 0.3);
    box-shadow: 0 0 20px var(--primary-glow);
}

.meta-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.meta-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.meta-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.title-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.scroll-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    animation: pulse 2s infinite ease-in-out;
}

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

.title-bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(13, 148, 136, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* ==================== PLAN GRID ==================== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.plan-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.plan-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.1);
}

.plan-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.plan-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ==================== INFO CARDS ==================== */
.content-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.col-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-family: var(--font-sans);
}

.info-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: var(--transition);
}

.info-card:hover {
    border-color: rgba(13, 148, 136, 0.25);
}

.info-card-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.info-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.info-card ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-card li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}

.info-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ==================== PROBLÉMATIQUE ==================== */
.prob-flow {
    display: flex;
    align-items: stretch;
    gap: 16px;
}

.prob-card {
    flex: 1;
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.prob-card--context { border-top: 3px solid var(--info); }
.prob-card--gap { border-top: 3px solid var(--warning); }
.prob-card--question { border-top: 3px solid var(--primary); }

.prob-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.prob-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.prob-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.prob-card ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prob-card li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}

.prob-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.prob-arrow {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* ==================== OBJECTIFS ==================== */
.obj-general {
    padding: 28px 32px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(13, 148, 136, 0.02));
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: var(--radius);
    margin-bottom: 28px;
}

.obj-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.obj-general p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.obj-specific-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.obj-card {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.obj-card:hover {
    border-color: rgba(13, 148, 136, 0.25);
}

.obj-num {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary-glow);
    border: 1px solid rgba(13, 148, 136, 0.3);
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-light);
}

.obj-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==================== METHOD GRID ==================== */
.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.method-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.method-card:hover {
    border-color: rgba(13, 148, 136, 0.25);
    transform: translateY(-2px);
}

.method-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.method-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 10px;
}

.method-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== VARIABLES ==================== */
.variables-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.var-group {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.var-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.var-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.chip:hover {
    border-color: var(--primary);
    color: var(--primary-light);
}

/* ==================== RESULTS LAYOUT ==================== */
.result-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.chart-container--small {
    min-height: 200px;
    margin-bottom: 16px;
}

.chart-container canvas {
    max-width: 100%;
    max-height: 300px;
}

.chart-container--small canvas {
    max-height: 200px;
}

.result-commentary {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-row {
    display: flex;
    gap: 12px;
}

.stat-highlight {
    padding: 16px 20px;
    background: var(--primary-glow);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.stat-highlight--secondary {
    background: rgba(100, 116, 139, 0.08);
    border-color: var(--border);
}

.stat-highlight--success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-light);
    font-variant-numeric: tabular-nums;
}

.stat-highlight--secondary .stat-number {
    color: var(--text-secondary);
}

.stat-highlight--success .stat-number {
    color: var(--success);
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.result-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 12px 16px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

.discussion-box {
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
}

.discussion-box h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-light);
}

.discussion-box ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.discussion-box li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 14px;
    position: relative;
}

.discussion-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ==================== TBEP TABLE ==================== */
.tbep-table {
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.tbep-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.tbep-table thead {
    background: var(--bg-surface);
}

.tbep-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-light);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.tbep-table td {
    padding: 10px 16px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.tbep-table tr:last-child td {
    border-bottom: none;
}

.tbep-table tr:hover td {
    background: var(--primary-glow);
}

/* ==================== EVOLUTION SUMMARY ==================== */
.evolution-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.evo-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 6px 0;
}

.evo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.evo-dot--green { background: #10b981; }
.evo-dot--green2 { background: #22c55e; }
.evo-dot--teal { background: #14b8a6; }
.evo-dot--orange { background: #f59e0b; }
.evo-dot--red { background: #ef4444; }
.evo-dot--gray { background: #64748b; }

/* ==================== RECOMMENDATIONS ==================== */
.reco-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.reco-card {
    padding: 24px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    text-align: center;
}

.reco-card:hover {
    border-color: rgba(13, 148, 136, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.reco-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.reco-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.reco-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==================== FORCES & LIMITES ==================== */
.fl-card {
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    height: 100%;
}

.fl-card--force {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.01));
    border-color: rgba(16, 185, 129, 0.15);
}

.fl-card--limite {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.01));
    border-color: rgba(245, 158, 11, 0.15);
}

.fl-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.fl-card ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fl-card li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}

.fl-card--force li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.fl-card--limite li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

/* ==================== CONCLUSION ==================== */
.conclusion-container {
    max-width: 900px;
}

.conclusion-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.conc-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.conc-item:hover {
    border-color: rgba(13, 148, 136, 0.25);
}

.conc-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.conc-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== BIBLIOGRAPHIE ==================== */
.biblio-container {
    max-width: 900px;
}

.biblio-scroll {
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 8px;
}

.biblio-scroll::-webkit-scrollbar {
    width: 4px;
}

.biblio-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.biblio-scroll::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

.biblio-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    transition: var(--transition);
}

.biblio-item:hover {
    background: var(--primary-glow);
}

.biblio-item em {
    color: var(--text-primary);
}

.biblio-note {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* ==================== MERCI SLIDE ==================== */
.slide--merci {
    background: radial-gradient(ellipse at center, rgba(13, 148, 136, 0.06) 0%, transparent 60%),
                var(--bg-gradient);
    text-align: center;
}

.merci-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.merci-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.merci-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.merci-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    margin: 16px 0;
}

.merci-authors {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    flex-wrap: wrap;
    justify-content: center;
}

.merci-dot {
    color: var(--primary);
}

.merci-info {
    margin-top: 8px;
}

.merci-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .plan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .method-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .reco-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .result-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .slide {
        padding: 24px 16px 100px;
    }
    
    .slide h2 {
        font-size: 1.6rem;
        margin-bottom: 24px;
    }
    
    .content-two-col {
        grid-template-columns: 1fr;
    }
    
    .plan-grid {
        grid-template-columns: 1fr;
    }
    
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .reco-grid {
        grid-template-columns: 1fr;
    }
    
    .prob-flow {
        flex-direction: column;
    }
    
    .prob-arrow {
        transform: rotate(90deg);
        justify-content: center;
    }
    
    .obj-specific-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-bar {
        bottom: 12px;
        padding: 8px 16px;
        gap: 10px;
    }
    
    .nav-brand {
        display: none;
    }
    
    .slide-menu {
        width: 100%;
        right: -100%;
    }
    
    .stat-row {
        flex-direction: column;
    }
    
    .evolution-summary {
        grid-template-columns: 1fr;
    }
    
    .merci-authors {
        flex-direction: column;
        gap: 4px;
    }
    
    .merci-dot {
        display: none;
    }
    
    .title-main {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .title-badge {
        font-size: 0.65rem;
        padding: 6px 16px;
    }
    
    .meta-card {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* ==================== PRINT ==================== */
@media print {
    .nav-bar, .progress-bar, .slide-menu, .menu-overlay, .scroll-hint {
        display: none !important;
    }
    
    .slide {
        position: relative;
        opacity: 1;
        transform: none;
        pointer-events: all;
        page-break-after: always;
        overflow: visible;
        height: auto;
        padding: 40px;
    }
    
    body {
        overflow: visible;
        height: auto;
    }
    
    .slides-container {
        height: auto;
    }
}