/* ===============================================================
   PORTAIL CENTRE DE COURS - Style principal
   =============================================================== */

:root {
    --primary:    #2563eb;
    --primary-dk: #1d4ed8;
    --success:    #16a34a;
    --warning:    #d97706;
    --danger:     #dc2626;
    --bg:         #f1f5f9;
    --white:      #ffffff;
    --text:       #1e293b;
    --muted:      #64748b;
    --border:     #e2e8f0;
    --sidebar-w:  240px;
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
}

/* ---------------------------------------------------------------
   LAYOUT
--------------------------------------------------------------- */
.layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--primary);
    color: white;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-logo {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    font-size: 1.1em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo span { font-size: 1.4em; }

.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }

.nav-section {
    font-size: 0.72em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.5);
    padding: 12px 20px 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: background 0.2s;
    border-radius: 0;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255,255,255,0.15);
    color: white;
}

.nav-link .icon { font-size: 1.15em; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.15);
    font-size: 0.85em;
    color: rgba(255,255,255,0.6);
}

/* Main content */
.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title { font-size: 1.15em; font-weight: 600; }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 0.9em;
}

.avatar {
    width: 34px; height: 34px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 0.9em;
}

/* Page content */
.content { padding: 28px; flex: 1; }

/* ---------------------------------------------------------------
   CARTES STATS (Dashboard)
--------------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.07);
}

.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5em;
}

.stat-icon.blue   { background: #eff6ff; }
.stat-icon.green  { background: #f0fdf4; }
.stat-icon.yellow { background: #fffbeb; }
.stat-icon.red    { background: #fef2f2; }

.stat-info .value { font-size: 1.8em; font-weight: 700; line-height: 1; }
.stat-info .label { color: var(--muted); font-size: 0.85em; margin-top: 4px; }

/* ---------------------------------------------------------------
   TABLEAUX
--------------------------------------------------------------- */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.07);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title { font-size: 1em; font-weight: 600; }

.card-body { padding: 22px; }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

th {
    background: #f8fafc;
    padding: 11px 14px;
    text-align: left;
    font-size: 0.82em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

/* ---------------------------------------------------------------
   BADGES / STATUTS
--------------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78em;
    font-weight: 600;
}

.badge-blue   { background: #eff6ff; color: var(--primary); }
.badge-green  { background: #f0fdf4; color: var(--success); }
.badge-yellow { background: #fffbeb; color: var(--warning); }
.badge-red    { background: #fef2f2; color: var(--danger); }
.badge-gray   { background: #f1f5f9; color: var(--muted); }

/* Couleurs par niveau */
.badge-1AC          { background: #eff6ff; color: #2563eb; }
.badge-2AC          { background: #f0fdf4; color: #16a34a; }
.badge-3AC          { background: #fffbeb; color: #d97706; }
.badge-tronc-commun { background: #fdf4ff; color: #9333ea; }

/* ---------------------------------------------------------------
   BOUTONS
--------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.1s;
}

.btn:hover   { opacity: 0.88; }
.btn:active  { transform: scale(0.97); }

.btn-primary { background: var(--primary);  color: white; }
.btn-success { background: var(--success);  color: white; }
.btn-warning { background: var(--warning);  color: white; }
.btn-danger  { background: var(--danger);   color: white; }
.btn-light   { background: #f1f5f9; color: var(--text); }
.btn-sm      { padding: 5px 10px; font-size: 0.82em; }

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

label {
    display: block;
    font-size: 0.88em;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

input[type=text],
input[type=email],
input[type=password],
input[type=date],
input[type=time],
input[type=number],
input[type=tel],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95em;
    color: var(--text);
    background: white;
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ---------------------------------------------------------------
   ALERTES FLASH
--------------------------------------------------------------- */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.92em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.alert-danger  { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; color: #d97706; border: 1px solid #fde68a; }

/* ---------------------------------------------------------------
   PAGE LOGIN
--------------------------------------------------------------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
}

.login-box {
    background: white;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo .icon { font-size: 2.5em; }
.login-logo h1 { font-size: 1.3em; margin-top: 8px; color: var(--text); }
.login-logo p  { color: var(--muted); font-size: 0.9em; }

/* ---------------------------------------------------------------
   PRESENCES
--------------------------------------------------------------- */
.presence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.presence-card {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

.presence-card.present { border-color: var(--success); background: #f0fdf4; }
.presence-card.absent  { border-color: var(--danger);  background: #fef2f2; }
.presence-card.retard  { border-color: var(--warning);  background: #fffbeb; }

.presence-name { font-weight: 500; font-size: 0.95em; }
.presence-niveau { font-size: 0.78em; color: var(--muted); }

.presence-btns { display: flex; gap: 5px; }

.btn-presence {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: white;
    cursor: pointer;
    font-size: 0.9em;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
}

.btn-presence:hover { transform: scale(1.1); }
.btn-presence.active-present { background: var(--success); border-color: var(--success); color: white; }
.btn-presence.active-absent  { background: var(--danger);  border-color: var(--danger);  color: white; }
.btn-presence.active-retard  { background: var(--warning); border-color: var(--warning); color: white; }

/* ---------------------------------------------------------------
   RESPONSIVE
--------------------------------------------------------------- */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .content { padding: 16px; }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px; height: 36px;
        background: var(--bg);
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-size: 1.2em;
    }
}

@media (min-width: 769px) {
    .menu-toggle { display: none; }
}