/* components.css - Composants UI réutilisables ULTRA-OPTIMISÉ */

/* ========================================
   CUSTOM PROPERTIES PARTAGÉES
======================================== */
:root {
    --card-bg: rgba(255, 255, 255, 0.35);
    --card-border: rgba(255, 255, 255, 0.4);
    --card-shadow: 0 15px 45px rgba(0, 0, 0, 0.08), inset 0 0 30px rgba(255, 255, 255, 0.2);
    --card-hover-shadow: 0 30px 80px rgba(0, 0, 0, 0.2), inset 0 0 50px rgba(255, 255, 255, 0.35);
}

html.dark {
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-border: rgba(255, 255, 255, 0.2);
    --card-shadow: 0 15px 45px rgba(0, 0, 0, 0.3), inset 0 0 30px rgba(255, 255, 255, 0.08);
    --card-hover-shadow: 0 25px 70px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.15);
}

/* ========================================
   STYLES COMMUNS CARTES (bubble + flip-card)
======================================== */
.bubble, .flip-card {
    position: relative;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-slow);
    backdrop-filter: blur(20px);
    border: 2px solid var(--card-border);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
}

.bubble::before, .flip-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: transparent;
    border-radius: inherit;
    z-index: -1;
    opacity: 0.15;
    transition: opacity 0.5s ease;
}

.bubble:hover, .flip-card:hover {
    transform: translateY(-25px) scale(1.04);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow: var(--card-hover-shadow);
}

.bubble:hover::before, .flip-card:hover::before {
    opacity: 1;
}

html.dark .bubble:hover::before, 
html.dark .flip-card:hover::before {
    opacity: 0.8;
}

.glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.08;
    transition: opacity 0.5s ease;
    pointer-events: none;
    top: -50px;
    right: -50px;
}

.bubble:hover .glow, .flip-card:hover .glow {
    opacity: 0.25;
}

html.dark .glow {
    opacity: 0.06;
}

html.dark .bubble:hover .glow, 
html.dark .flip-card:hover .glow {
    opacity: 0.2;
}

/* ========================================
   COULEURS PAR SECTION - SYSTÈME UNIFIÉ
======================================== */
body.section-lesions-oculaires { --section-color: 255, 107, 157; }
body.section-se-tester { --section-color: 79, 172, 254; }
body.section-dysendocrinies { --section-color: 67, 233, 123; }
body.section-mecanismes { --section-color: 234, 179, 8; }

.index-page .bubble:nth-child(1) { --section-color: 255, 107, 157; }
.index-page .bubble:nth-child(2) { --section-color: 79, 172, 254; }
.index-page .bubble:nth-child(3) { --section-color: 67, 233, 123; }
.index-page .bubble:nth-child(4) { --section-color: 234, 179, 8; }

/* Application des couleurs de section */
body[class*="section-"] .bubble,
body[class*="section-"] .flip-card,
.index-page .bubble {
    background: rgba(var(--section-color), 0.08);
    border-color: rgba(var(--section-color), 0.25);
}

body[class*="section-"] .bubble::before,
body[class*="section-"] .flip-card::before,
.index-page .bubble::before {
    background: linear-gradient(135deg, 
        rgba(var(--section-color), 0.3), 
        rgba(var(--section-color), 0.25), 
        rgba(var(--section-color), 0.2));
}

body[class*="section-"] .bubble:hover,
body[class*="section-"] .flip-card:hover,
.index-page .bubble:hover {
    background: rgba(var(--section-color), 0.15);
    border-color: rgb(var(--section-color));
}

body[class*="section-"] .bubble .glow,
body[class*="section-"] .flip-card .glow,
.index-page .bubble .glow {
    background: rgb(var(--section-color));
}

html.dark body[class*="section-"] .bubble,
html.dark body[class*="section-"] .flip-card,
html.dark .index-page .bubble {
    background: rgba(var(--section-color), 0.06);
    border-color: rgba(var(--section-color), 0.2);
}

html.dark body[class*="section-"] .bubble:hover,
html.dark body[class*="section-"] .flip-card:hover,
html.dark .index-page .bubble:hover {
    background: rgba(var(--section-color), 0.12);
    border-color: rgba(var(--section-color), 0.5);
}

/* Cartes spéciales */
.dysendocrinies-card { --special-color: 55, 65, 81; }
.mecanismes-card { --special-color: 209, 213, 219; }

.dysendocrinies-card, .mecanismes-card {
    background: rgba(var(--special-color), 0.06) !important;
    border-color: rgba(var(--special-color), 0.25) !important;
}

.dysendocrinies-card:hover, .mecanismes-card:hover {
    background: rgba(var(--special-color), 0.2) !important;
    border-color: rgb(var(--special-color)) !important;
}

.dysendocrinies-card .glow, .mecanismes-card .glow {
    background: rgb(var(--special-color)) !important;
}

html.dark .dysendocrinies-card, 
html.dark .mecanismes-card {
    background: rgba(var(--special-color), 0.1) !important;
    border-color: rgba(var(--special-color), 0.3) !important;
}

html.dark .dysendocrinies-card:hover, 
html.dark .mecanismes-card:hover {
    background: rgba(var(--special-color), 0.18) !important;
    border-color: rgba(var(--special-color), 0.5) !important;
}

/* ========================================
   PAGE LAYOUTS
======================================== */
.index-page {
    justify-content: center;
}

.index-page .header {
    margin-bottom: 70px;
}

.index-page .header h1 {
    font-size: 4.5rem;
    letter-spacing: -2px;
}

.index-page .header p {
    font-size: 1.3rem;
}

.structure-page .header {
    margin-top: 120px;
    margin-bottom: 80px;
}

.structure-page .header h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.structure-page .header p {
    font-size: 1.2rem;
    margin: 0;
    line-height: 1.6;
}

.structure-page .footer {
    margin-top: 80px;
}

/* ========================================
   HEADER & FOOTER
======================================== */
.header {
    text-align: center;
    position: relative;
    z-index: 1;
}

.header h1 {
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.15));
    letter-spacing: -2px;
    line-height: 1.2;
}

.header p {
    font-weight: 400;
    color: #64748b;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    line-height: 1.6;
}

html.dark .header h1 {
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #e879f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(129, 140, 248, 0.3));
}

html.dark .header p,
html.dark .footer {
    color: #cbd5e1;
}

.footer {
    margin-top: 70px;
    text-align: center;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
    color: #64748b;
    font-weight: 400;
}

/* ========================================
   THEME TOGGLE
======================================== */
.theme-toggle {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 0 20px rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.theme-toggle:hover {
    transform: scale(1.15) rotate(180deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* ========================================
   BUBBLES
======================================== */
.bubble {
    padding: 55px 45px;
}

/* ========================================
   ICON WRAPPER
======================================== */
.icon-wrapper {
    width: 90px;
    height: 90px;
    margin: 0 auto 35px;
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-medium);
}

.icon-shadow {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.icon-content {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background: linear-gradient(135deg, rgb(var(--section-color)) 0%, rgba(var(--section-color), 0.8) 100%);
}

.bubble .icon-content img,
.icon-letter-fallback {
    width: 60%;
    height: 60%;
    object-fit: contain;
}

.icon-letter-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.bubble:hover .icon-content {
    transform: rotate(360deg) scale(1.15);
}

.bubble:hover .icon-shadow {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

/* ========================================
   BUBBLE TITLE & DESCRIPTION
======================================== */
.bubble-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 18px;
    text-align: center;
    position: relative;
    z-index: 1;
    color: #475569;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    letter-spacing: -0.5px;
    line-height: 1.3;
    min-height: 2.6rem;
}

html.dark .bubble-title,
html.dark .structure-item {
    color: #e2e8f0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.bubble-description {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%) translateY(-15px);
    background: rgba(30, 41, 59, 0.97);
    color: white;
    padding: 12px 20px;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 400;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
    transition-delay: 0.5s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    width: max-content;
    max-width: 300px;
    text-align: center;
    line-height: 1.7;
    pointer-events: none;
}

.bubble:hover .bubble-description {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.bubble:not(:hover) .bubble-description {
    transition-delay: 0s;
}

.bubble-description::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 10px solid transparent;
    border-top-color: rgba(30, 41, 59, 0.97);
}

html.light .bubble-description {
    background: rgba(255, 255, 255, 0.97);
    color: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

html.light .bubble-description::after {
    border-top-color: rgba(255, 255, 255, 0.97);
}

html.dark .bubble-description {
    color: #cbd5e1;
}

/* ========================================
   STRUCTURE ITEMS
======================================== */
.structure-item {
    padding: 14px 18px;
    margin-bottom: 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.22s ease;
    color: #1e293b;
    border: 1px solid transparent;
    position: relative;
    background: rgba(255, 255, 255, 0.3);
}

.structure-item:hover,
.structure-item.highlighted {
    transform: translateX(6px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    background: rgba(var(--section-color), 0.25);
    border-color: rgb(var(--section-color));
}

.structure-item.highlighted {
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background: rgba(var(--section-color), 0.35) !important;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    .index-page .header h1 {
        font-size: 3rem;
    }
    
    .index-page .header p {
        font-size: 1.1rem;
    }
    
    .structure-page .header {
        margin-top: 100px;
        margin-bottom: 60px;
    }
    
    .structure-page .header h1 {
        font-size: 2.5rem;
    }
    
    .bubble {
        padding: 45px 35px;
    }
    
    .icon-wrapper {
        margin-bottom: 28px;
    }
    
    .bubble-title {
        font-size: 1.75rem;
        min-height: 2.3rem;
    }
    
    .theme-toggle {
        top: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}