/* --- GOOGLE FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

/* --- VARIABLES --- */
:root {
    --primary: #DA251D; /* Rouge Lyon */
    --primary-hover: #b81c15;
    --bg-main: #0f172a; /* Dark sleek background */
    --bg-sidebar: #090d16;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --sidebar-width: 240px;
    --transition: all 0.2s ease-in-out;
}

/* --- RESET & BASE --- */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    min-height: 100vh;
}

/* --- SIDEBAR --- */
.sidebar-sommaire {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 24px 16px;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-sommaire h4 {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.2px;
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 6px;
    margin-top: 0;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.sommaire-section { 
    margin-bottom: 18px; 
}

.sommaire-section p {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.sommaire-section a {
    display: block;
    text-decoration: none;
    color: #cbd5e1;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 8px;
    margin-bottom: 2px;
    border-radius: 4px;
    transition: var(--transition);
}

.sommaire-section a:hover { 
    color: #ffffff; 
    background: rgba(218, 37, 29, 0.15);
    transform: translateX(3px);
}

.back-home {
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.back-home:hover {
    color: #fff;
    border-color: var(--primary);
    background: var(--primary);
}

/* --- MAIN CONTENT WRAPPER --- */
.main-wrapper {
    max-width: 1150px;
    margin-left: var(--sidebar-width);
    padding: 30px 40px 50px 30px;
    flex-grow: 1;
}

.category-block {
    margin-bottom: 35px;
}

/* --- TITRES --- */
.group-main-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.3px;
    text-transform: uppercase;
    color: #fff;
    margin: 0 0 20px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.category-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 25px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    scroll-margin-top: 20px;
}

.category-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background-color: var(--primary);
    border-radius: 2px;
}

.item-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    margin: 18px 0 10px 0;
    scroll-margin-top: 20px;
}

/* --- GRILLE DE STICKERS (Format compact) --- */
.sticker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.sticker-grid a {
    display: block;
    overflow: hidden;
    border-radius: 6px;
    transition: var(--transition);
}

.sticker-grid img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.sticker-grid a:hover {
    transform: scale(1.04);
}

/* --- BOUTON HAMBURGER (MOBILE) --- */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1001;
    background: var(--primary);
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    box-shadow: 0 4px 12px rgba(218, 37, 29, 0.4);
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; transform: scale(0); }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- RESPONSIVE MOBILE & TABLETTE --- */
@media (max-width: 1024px) {
    .main-wrapper {
        padding-right: 30px;
    }
}

@media (max-width: 768px) {
    .menu-toggle { 
        display: flex; 
    }

    .sidebar-sommaire {
        left: -100%;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        width: 240px;
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    }

    .sidebar-sommaire.active {
        left: 0;
    }

    .main-wrapper {
        margin-left: 0;
        padding: 70px 16px 30px 16px;
    }

    .sticker-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 10px;
    }

    .group-main-title {
        font-size: 1.25rem;
    }
}