/* ============================================
   KILIMAN - DESIGN SYSTEM RESPONSIVE
   ============================================ */

/* Variables CSS */
:root {
    /* Couleurs principales */
    --kv: #6B2D8B;
    --kvm: #8B3DB5;
    --kvl: #C084E8;
    --kvp: rgba(192, 132, 232, 0.13);
    --kt: #1A7F8E;
    --ktl: #4ABCCC;
    --ko: #E07B39;
    --kg: #F5C842;
    --kp: #D4609E;
    --kn: #090720;
    --kn2: #0D0B28;
    --tx: rgba(240, 234, 248, 0.95);
    --txm: rgba(240, 234, 248, 0.6);
    --txd: rgba(240, 234, 248, 0.25);
    --bd: rgba(139, 61, 181, 0.22);
    --bd2: rgba(255, 255, 255, 0.07);
    
    /* Layout */
    --sidebar-width: 280px;
    --header-height: 70px;
    --container-max: 1400px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #0d0b28 100%);
    color: var(--tx);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container principal responsive */
.app-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

/* ============================================
   HEADER RESPONSIVE
   ============================================ */
.main-header {
    background: rgba(9, 7, 32, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bd);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 24px;
}

.header-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--kvl), var(--ktl));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    letter-spacing: 2px;
}

.logo span {
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--txm);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 8px 0;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--kvl);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--kv), var(--kt));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.avatar:hover {
    transform: scale(1.05);
}

/* Menu mobile (burger) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--tx);
    font-size: 24px;
    cursor: pointer;
}

/* ============================================
   SIDEBAR (pour My Space et pages avec sidebar)
   ============================================ */
.layout-sidebar {
    display: flex;
    gap: 32px;
    margin: 32px 0;
}

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--bd);
    padding: 24px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
    height: fit-content;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-nav a {
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    color: var(--txm);
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background: var(--kvp);
    color: var(--kvl);
}

.main-content {
    flex: 1;
    min-width: 0;
}

/* ============================================
   GRILLES RESPONSIVES
   ============================================ */
.grid-quests {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin: 24px 0;
}

.grid-events {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.grid-community {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

/* ============================================
   CARTES
   ============================================ */
.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--bd);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(107, 45, 139, 0.25);
}

.card-image {
    height: 160px;
    background: linear-gradient(135deg, rgba(107, 45, 139, 0.3), rgba(26, 127, 142, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.card-content {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--tx);
}

.card-meta {
    font-size: 13px;
    color: var(--txm);
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
}

.card-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--kg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: radial-gradient(ellipse at 50% 0%, rgba(107, 45, 139, 0.3) 0%, transparent 70%);
    padding: 60px 0 40px;
    text-align: center;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, var(--kvl));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 16px;
}

.hero p {
    font-size: 18px;
    color: var(--txm);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FORMULAIRES
   ============================================ */
.form-container {
    max-width: 480px;
    margin: 60px auto;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--bd);
    border-radius: var(--border-radius-xl);
    padding: 40px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--txm);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--bd2);
    background: rgba(255, 255, 255, 0.05);
    color: var(--tx);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--kvl);
    box-shadow: 0 0 0 3px rgba(192, 132, 232, 0.2);
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 40px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--kv), var(--kvm));
    color: white;
    box-shadow: 0 4px 20px rgba(107, 45, 139, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(107, 45, 139, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--kvl);
    color: var(--kvl);
}

.btn-secondary:hover {
    background: var(--kvp);
}

.btn-block {
    width: 100%;
}

/* ============================================
   SECTION TITRES
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--tx);
}

.section-link {
    color: var(--kvl);
    font-size: 14px;
    text-decoration: none;
}

/* ============================================
   BADGES ET TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background: var(--kvp);
    color: var(--kvl);
}

.badge-success {
    background: rgba(245, 200, 66, 0.15);
    color: var(--kg);
}

.badge-info {
    background: rgba(26, 127, 142, 0.15);
    color: var(--ktl);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--kvl), var(--ktl));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* ============================================
   NOTIFICATIONS FLASH
   ============================================ */
.flash-message {
    position: fixed;
    top: 90px;
    right: 24px;
    z-index: 1000;
    padding: 14px 24px;
    border-radius: var(--border-radius-md);
    color: white;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

.flash-success {
    background: #2e7d32;
}

.flash-error {
    background: #c62828;
}

.flash-info {
    background: var(--kv);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (max-width: 1024px) {
    .app-container {
        padding: 0 20px;
    }
    
    .grid-community {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .grid-quests {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .grid-events {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 24px;
        margin: 30px 20px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .card-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .app-container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 40px 0 30px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 13px;
    }
}

/* ============================================
   UTILITAIRES
   ============================================ */
.text-center { text-align: center; }
.text-gradient { background: linear-gradient(135deg, var(--kvl), var(--ktl)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mt-4 { margin-top: 24px; }
.mb-4 { margin-bottom: 24px; }
.mb-2 { margin-bottom: 12px; }
.gap-2 { gap: 12px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-wrap { flex-wrap: wrap; }