/* ==========================================================================
   ACADÉMIE NOVA — PORTAIL ADHÉSION & RÉADHÉSION (White Mode Ultra-Sleek)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #475569;

    --primary: #2a9d8f; /* Vert Émeraude Nova */
    --primary-hover: #1a7a6e;
    --primary-glow: rgba(42, 157, 143, 0.35);
    
    --accent: #d97706; /* Or / Amber */
    --accent-glow: rgba(217, 119, 6, 0.25);
    
    --border-color: #e2e8f0;
    --border-hover: rgba(42, 157, 143, 0.45);

    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-text: #334155;
    --nav-text-hover: #2a9d8f;

    --font-sans: 'Quicksand', 'Inter', system-ui, -apple-system, sans-serif;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 50px;

    --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
    
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-med: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.82) 0%, rgba(241, 245, 249, 0.88) 100%), url('assets/campus.jpg') center/cover fixed no-repeat !important;
    color: var(--text-main);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Utilities */
.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

@media (max-width: 900px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
}

/* Header Navbar */
header.navbar {
    position: sticky;
    top: 0;
    height: 72px;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    box-shadow: var(--shadow-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    object-fit: cover;
    border: 2px solid var(--primary);
    box-shadow: 0 0 16px var(--primary-glow);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.main-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sub-title {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--primary);
    text-transform: uppercase;
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 20px;
    flex: 1;
}

/* Cards */
.nova-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 26px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-med);
}

.nova-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

/* Metric Cards */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-med);
}

.metric-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.metric-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(42, 157, 143, 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 1px solid rgba(42, 157, 143, 0.3);
}

.metric-val {
    font-size: 26px;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1;
}

.metric-lbl {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
    margin-top: 4px;
}

/* Buttons */
.btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-primary-teal {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary-teal:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 24px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-accent-gold {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-accent-gold:hover {
    background: #b45309;
    transform: translateY(-1px);
}

.btn-outline-pill {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.btn-outline-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(42, 157, 143, 0.08);
}

/* Badges */
.badge-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-teal { background: rgba(42, 157, 143, 0.12); color: var(--primary); border: 1px solid rgba(42, 157, 143, 0.3); }
.badge-gold { background: rgba(217, 119, 6, 0.12); color: var(--accent); border: 1px solid rgba(217, 119, 6, 0.3); }
.badge-blue { background: rgba(37, 99, 235, 0.12); color: #2563eb; border: 1px solid rgba(37, 99, 235, 0.3); }
.badge-red { background: rgba(220, 38, 38, 0.12); color: #dc2626; border: 1px solid rgba(220, 38, 38, 0.3); }
.badge-purple { background: rgba(139, 92, 246, 0.12); color: #7c3aed; border: 1px solid rgba(139, 92, 246, 0.3); }

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.admin-table th {
    background: #f1f5f9;
    padding: 14px 18px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table tr:hover td {
    background: var(--bg-card-hover);
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 650px;
    width: 100%;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 11px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: #ffffff;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Footer */
footer.footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 32px;
    font-size: 12px;
    color: var(--text-muted);
    background: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}