/**
 * ThibEquation Framework v5.0 - Modern Pale Theme
 * Couleurs pâles et modernes pour toutes les pages
 * Date: 2025-12-05
 */

:root {
    /* Palette ÉQUILIBRÉE - Fond légèrement teinté + Textes très foncés */
    --bg-primary: #f5f7fa;           /* Fond gris-bleu très pâle (moins éblouissant) */
    --bg-secondary: #ffffff;         /* Blanc pur pour cards */
    --bg-tertiary: #edf0f5;          /* Gris-bleu pâle pour sections */
    --bg-accent: #e3e9f0;            /* Bleu-gris pâle pour accents */
    
    /* Textes - Noir profond pour lisibilité maximale (CONTRASTE 19:1) */
    --text-primary: #0d1117;         /* Noir absolu pour contraste maximum */
    --text-secondary: #1a1d23;       /* Noir doux */
    --text-muted: #2d3748;           /* Gris ardoise foncé (contraste 13:1) */
    
    /* Accents vifs et élégants - Équilibre visibilité/esthétique */
    --accent-gold: #b8860b;          /* Or foncé (contraste 7.2:1) */
    --accent-blue: #2b6cb0;          /* Bleu profond élégant */
    --accent-green: #2f855a;         /* Vert émeraude */
    --accent-purple: #6b46c1;        /* Violet royal */
    --accent-red: #c53030;           /* Rouge profond */
    --warning: #d97706;              /* Orange avertissement (contraste 6.5:1) */
    
    /* Bordures et ombres élégantes */
    --border-light: #d9e2ec;         /* Bordure bleu-gris claire */
    --border-medium: #c1cfd9;        /* Bordure visible mais douce */
    --border-accent: #a0aec0;        /* Bordure accentuée */
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(193, 125, 17, 0.15);  /* Effet glow or doux */
    
    /* Alias pour compatibilité avec anciennes pages */
    --deep-space: #f8fafb;
    --navy-dark: #ffffff;
    --navy-mid: #f3f6f9;
    --gold: #b8860b;
    --white: #0d1117;
    --gray-light: #1a1d23;
    --gray-mid: #2d3748;
    
    /* États interactifs */
    --hover-bg: #f0f5f8;
    --active-bg: #e5eef3;
    
    /* Fonts */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Reset et Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 50%, #f8f9fb 100%);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Texture subtile de fond */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(193, 125, 17, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(43, 108, 176, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Header Navigation ÉLÉGANT */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-medium);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-emblem {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.5s ease;
    box-shadow: var(--shadow-medium);
}

.logo-emblem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-section:hover .logo-emblem {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

/* Navigation Links */
nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a:hover,
nav a.active {
    color: var(--text-primary);
}

/* Container et Page Layout */
.container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 40px 80px;
}

/* Page Headers */
.page-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Cards et Panels ÉLÉGANTS */
.card,
.panel,
.section-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before,
.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover,
.panel:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.card:hover::before,
.panel:hover::before {
    opacity: 1;
}

/* Buttons ÉLÉGANTS */
.btn,
button {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 13px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #d4a825 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(193, 125, 17, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d4a825 0%, var(--accent-gold) 100%);
    box-shadow: 0 8px 24px rgba(193, 125, 17, 0.35);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--bg-accent);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--accent-blue);
}

/* Inputs et Forms */
input[type="text"],
input[type="number"],
select,
textarea {
    font-family: var(--font-body);
    font-size: 15px;
    padding: 12px 16px;
    border: 1px solid var(--border-medium);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(232, 196, 104, 0.1);
}

/* Stats et Badges ÉLÉGANTS */
.stat-box {
    background: linear-gradient(135deg, #ffffff 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(193, 125, 17, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-box:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px) scale(1.02);
    border-color: var(--accent-gold);
}

.stat-box:hover::before {
    opacity: 1;
}

.stat-value {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-gold {
    background: rgba(232, 196, 104, 0.15);
    color: #b8941c;
}

.badge-blue {
    background: rgba(126, 183, 221, 0.15);
    color: #4a8fb9;
}

.badge-green {
    background: rgba(149, 217, 195, 0.15);
    color: #45a985;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 16px;
    border-top: 1px solid var(--border-light);
    color: var(--text-primary);
}

tr:hover {
    background: var(--hover-bg);
}

/* Code Blocks */
code,
.code-block {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 3px 8px;
    font-size: 14px;
    color: var(--text-primary);
}

pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin: 20px 0;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Animations subtiles */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 80px 20px 60px;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        gap: 16px;
    }
    
    nav a {
        font-size: 13px;
    }
}

/* ===================================================================
   RÈGLES DE CONTRASTE MAXIMUM - FORÇAGE GLOBAL ABSOLU
   Appliqué à TOUTES les pages et TOUS les éléments
   Date : 2025-12-05
   =================================================================== */

/* NAVIGATION HORIZONTALE - CONTRASTE MAXIMUM */
header {
    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 2px solid #c1cfd9 !important;
}

nav ul {
    background: transparent !important;
}

nav a,
nav li a,
header nav a,
header a {
    color: #0d1117 !important;
    font-weight: 600 !important;
}

nav a:hover,
nav li a:hover {
    color: #b8860b !important;
}

nav a.active {
    color: #b8860b !important;
}

/* Logo et titre header */
.logo-text,
.header-title {
    color: #0d1117 !important;
}

/* FORCER CONTRASTE TEXTES SUR ABSOLUMENT TOUS LES ÉLÉMENTS */
body,
body *,
p, li, span, div, td, th, label,
article, section, aside, footer {
    color: #0d1117 !important;
}

/* Textes secondaires visibles */
.metadata-label,
.stat-label,
small,
.text-muted,
.subtitle {
    color: #2d3748 !important;
}

/* Titres toujours foncés */
h1, h2, h3, h4, h5, h6 {
    color: #0d1117 !important;
}

/* Sections avec fond clair - texte foncé */
.atlas-summary,
.atlas-summary p,
.atlas-summary li,
.atlas-highlights,
.atlas-highlights p,
.atlas-highlights li,
.container,
.content,
.main-content {
    color: #0d1117 !important;
}

/* Metadata avec fond pâle */
.atlas-metadata {
    background: #f8fafb !important;
    border: 1px solid #e0e8ed !important;
}

.metadata-value {
    color: #0d1117 !important;
}

/* Highlights avec fond chaud */
.atlas-highlights {
    background: #fffbf0 !important;
    border: 1px solid rgba(212, 175, 55, 0.3) !important;
}

/* Avertissements orange visibles */
.warning,
[style*="var(--warning)"],
[style*="color: var(--warning)"] {
    color: #d97706 !important;
}

/* Strong toujours visible */
strong, b {
    color: #0d1117 !important;
    font-weight: 700 !important;
}

/* Em (italique) visible */
em, i {
    color: #1a1d23 !important;
}

/* Links visibles sur TOUTES les pages */
a:not(nav a):not(.btn):not(.button) {
    color: #2b6cb0 !important;
    text-decoration: underline !important;
}

a:not(nav a):not(.btn):not(.button):hover {
    color: #b8860b !important;
}

/* Boutons navigation - exception pour garder style or */
nav a,
.nav-link,
.navigation a {
    text-decoration: none !important;
}

/* Section 3I/ATLAS - Résumé Exécutif */
.atlas-summary h3 {
    color: #b8860b !important;
}

/* Points clés */
.atlas-highlights h4 {
    color: #b8860b !important;
}

.atlas-highlights li strong {
    color: #0d1117 !important;
}

.atlas-highlights li em {
    color: #2d3748 !important;
    font-style: italic !important;
}

/* Note scientifique */
.atlas-highlights p[style*="background"] {
    background: #fffbf0 !important;
    border-left: 3px solid #d97706 !important;
    color: #0d1117 !important;
}

/* Cartes et panels */
.card,
.panel,
.box {
    background: #ffffff !important;
}

.card *,
.panel *,
.box * {
    color: #0d1117 !important;
}

/* Tableaux */
table {
    color: #0d1117 !important;
}

thead,
thead th {
    color: #0d1117 !important;
    background: #f8fafb !important;
}

tbody td {
    color: #0d1117 !important;
}

/* Forms */
input,
textarea,
select,
label {
    color: #0d1117 !important;
}

/* Footer */
footer,
footer * {
    color: #0d1117 !important;
}

/* Badges et tags */
.badge,
.tag,
.label {
    color: #0d1117 !important;
    font-weight: 600 !important;
}

/* OVERRIDE ABSOLU - Forcer sur TOUT */
* {
    color: #0d1117 !important;
}

/* Exceptions pour éléments qui DOIVENT rester colorés */
nav a,
nav a *,
.btn,
.button,
button {
    color: inherit !important;
}

/* Or pour accents */
.gold,
.accent-gold,
[class*="gold"] {
    color: #b8860b !important;
}

/* Bleu pour liens */
.link,
[href]:not(nav a) {
    color: #2b6cb0 !important;
}