/* /css/style.css */

/* =========================================
   IMPORTATION DES POLICES
   Outfit : Interface futuriste et épurée
   Lora : Police à empattement pour la lecture
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;1,400;1,500&family=Outfit:wght@300;400;500;700&display=swap');

:root {
    --sidebar-width: 280px;
    --topbar-height: 70px;
    --soft-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    transition: background-color 1s ease, color 1s ease;
}

/* =========================================
   SCROLLBAR FUTURISTE
   ========================================= */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #ffffff;
}

#star-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
}

.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

/* =========================================
   SIDEBAR (Bureau)
   ========================================= */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    overflow: visible !important;
    display: flex;
    flex-direction: column;
    box-shadow: 5px 0 30px rgba(0,0,0,0.3);
}

.main-nav-wrapper {
    flex-grow: 1;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    transition: opacity 0.3s ease;
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 30px;
    padding: 0 30px;
    width: 100%;
}

.nav-section h3 {
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-color);
    opacity: 0.6;
    margin-bottom: 15px;
    font-weight: 500;
}

.nav-section ul {
    list-style: none;
}

.nav-section ul li {
    margin-bottom: 12px;
}

.nav-section ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.05em;
    font-weight: 400;
    transition: all 0.3s ease;
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
}

.nav-section ul li a:hover {
    background: rgba(255,255,255,0.08);
    color: var(--accent-color);
    transform: translateX(5px);
    text-shadow: 0 0 10px var(--accent-color);
}

/* =========================================
   BOUTON FLOTTANT (Flèche de rétractation)
   ========================================= */
.sidebar-toggle-edge {
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-color);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    transition: all 0.4s ease;
    font-size: 1.5em;
    padding-bottom: 2px;
    box-shadow: var(--glow-shadow);
}

.sidebar-toggle-edge:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-50%) scale(1.1);
}

/* État rétracté de la Sidebar */
.sidebar.collapsed {
    width: 0;
    border-right: none;
}
.sidebar.collapsed .main-nav-wrapper {
    opacity: 0;
    pointer-events: none;
}
.sidebar.collapsed .sidebar-toggle-edge {
    right: -40px;
    transform: translateY(-50%) rotate(180deg);
}
.sidebar.collapsed .sidebar-toggle-edge:hover {
    transform: translateY(-50%) rotate(180deg) scale(1.1);
}

/* =========================================
   TOPBAR & CONTENU PRINCIPAL
   ========================================= */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    height: var(--topbar-height);
    background-color: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5em;
    cursor: pointer;
    transition: color 0.3s;
}
.menu-btn:hover {
    color: var(--accent-color);
    text-shadow: var(--glow-shadow);
}

.topbar a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
.topbar a:hover {
    color: var(--accent-color);
}

.user-welcome, .datetime {
    font-size: 0.9em;
    opacity: 0.8;
}

/* =========================================
   SÉLECTEUR DE THÈME MODERNE
   ========================================= */
.theme-selector {
    position: relative;
}

.theme-btn {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.theme-btn:hover {
    border-color: var(--accent-color);
    box-shadow: var(--glow-shadow);
}

.theme-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 0;
    min-width: 200px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.theme-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9em;
}

.theme-option:hover {
    background: rgba(255,255,255,0.1);
    color: var(--accent-color);
    padding-left: 25px;
}

/* =========================================
   ARTICLES & FOCUS LECTURE
   ========================================= */
.content-wrapper {
    padding: 40px;
    flex: 1;
}

.article-feed {
    max-width: 800px;
    margin: 0 auto;
}

.post {
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 50px;
    margin-bottom: 40px;
    box-shadow: var(--soft-shadow);
}

.post h2 {
    font-family: 'Outfit', sans-serif;
    color: var(--accent-color);
    margin-bottom: 25px;
    font-size: 2em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.post-content {
    font-family: 'Lora', serif;
    font-size: 1.15em;
    line-height: 1.8;
    color: var(--text-color);
    opacity: 0.95;
}

.post-content p {
    margin-bottom: 25px;
}

/* =========================================
   COMPOSANTS UI (Login, Admin, Formulaires)
   ========================================= */
.btn, .btn-small {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    padding: 10px 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn {
    width: 100%;
    padding: 14px;
    font-size: 1em;
    margin-top: 10px;
}

.btn:hover, .btn-small:hover {
    background: var(--accent-color);
    color: var(--bg-color) !important;
    box-shadow: var(--glow-shadow);
}

.login-box, .admin-section {
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--soft-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
}

.form-group input, .form-group select {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-color);
    border-radius: 8px;
    padding: 12px;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s;
    width: 100%;
    box-sizing: border-box;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--glow-shadow);
}

.form-group select option {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    flex: 1;
    text-align: center;
    padding: 10px;
    cursor: pointer;
    opacity: 0.5;
}

.tab.active {
    opacity: 1;
    border-bottom: 2px solid var(--accent-color);
}

/* ================================================= */
/* RESPONSIVE DESIGN - SMARTPHONES (100% ISOLÉ)      */
/* ================================================= */

@media screen and (max-width: 768px) {
    body {
        display: block !important;
        overflow-x: hidden !important;
        position: relative !important;
        width: 100% !important;
    }

    .layout-wrapper {
        flex-direction: column !important;
        display: flex !important;
    }

    body .sidebar {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 220px !important;
        background-color: var(--sidebar-bg) !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
        box-shadow: none !important;
        z-index: 50 !important;
        display: flex !important;
        flex-direction: column !important;
    }

    body .sidebar-toggle-edge {
        display: none !important;
    }

    body .main-nav-wrapper {
        width: 100% !important;
        height: auto !important;
        max-height: 180px !important;
        overflow-y: auto !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        align-items: flex-start !important;
        padding: 15px 20px !important;
    }

    body .nav-section {
        width: 100%;
        padding: 0 !important;
        margin-bottom: 20px;
    }

    body .main-content {
        width: 100% !important;
    }

    body .content-wrapper {
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px 15px !important;
        box-sizing: border-box !important;
        position: relative !important;
        z-index: 1 !important;
    }

    body .post {
        padding: 25px 20px !important;
        border-radius: 12px !important;
        margin-bottom: 25px !important;
    }

    body .post h2 {
        font-size: 1.5em !important;
    }

    body .post-content {
        font-size: 1.05em !important;
        line-height: 1.6 !important;
    }

    body .article-block-layout {
        display: flex !important;
        flex-direction: column !important;
        gap: 20px !important;
        width: 100% !important;
    }

    body .article-card {
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px !important;
    }

    body .side-panel {
        position: fixed !important;
        top: 0 !important;
        left: 100% !important;
        right: auto !important;
        width: 100vw !important;
        height: 100vh !important;
        max-width: 100% !important;
        background-color: var(--bg-color) !important;
        backdrop-filter: none !important;
        border-left: none !important;
        z-index: 99999 !important;
        padding: 30px 20px !important;
        box-sizing: border-box !important;
        overflow-y: auto !important;
        transition: left 0.3s ease-in-out !important;
    }

    body .side-panel.active {
        left: 0 !important;
    }

    body .side-panel-close {
        font-size: 2em !important;
        opacity: 0.9 !important;
        padding: 10px !important;
        margin-top: -10px;
    }

    body .side-panel-content {
        font-size: 1em !important;
        margin-top: 20px !important;
    }

    body .topbar {
        padding: 0 15px !important;
        height: 60px !important;
    }

    .mobile-panel-header {
        display: flex !important;
    }
}

/* Bouton Fermer explicite pour mobile */
.mobile-panel-header {
    display: none;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.mobile-close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9em;
    cursor: pointer;
}