/* wifisaas — design moderne indigo + orange warm
 * Inspired by Linear/Vercel/Stripe pour B2B SaaS WiFi
 */

:root {
    /* Brand */
    --brand: #6366f1;
    --brand-dark: #4f46e5;
    --brand-light: #818cf8;
    --brand-soft: #eef2ff;
    --accent: #f97316;
    --accent-dark: #ea580c;
    --accent-soft: #fff7ed;

    /* States */
    --success: #10b981;
    --success-soft: #d1fae5;
    --warning: #f59e0b;
    --warning-soft: #fef3c7;
    --danger: #ef4444;
    --danger-soft: #fee2e2;
    --info: #06b6d4;
    --info-soft: #cffafe;

    /* Neutrals */
    --surface: #ffffff;
    --bg: #f8fafc;
    --bg-muted: #f1f5f9;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-soft: #94a3b8;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, .04);
    --shadow: 0 1px 3px 0 rgba(15, 23, 42, .08), 0 1px 2px 0 rgba(15, 23, 42, .04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -1px rgba(15, 23, 42, .04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, .1), 0 4px 6px -2px rgba(15, 23, 42, .04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, .1), 0 10px 10px -5px rgba(15, 23, 42, .04);
    --radius-sm: .375rem;
    --radius: .5rem;
    --radius-lg: .75rem;
    --radius-xl: 1rem;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-warm: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-dashboard: linear-gradient(180deg, #fafbff 0%, #f8fafc 100%);
}

/* Reset & base */
* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }

/* Brand */
.brand-logo {
    font-weight: 800;
    font-size: 1.35rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ===== Navbar ===== */
.navbar {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: .75rem 1.25rem;
}

.navbar-dark.bg-dark {
    background: linear-gradient(90deg, #1e1b4b 0%, #312e81 100%) !important;
    border-bottom: none;
}

.navbar .badge {
    background: var(--brand-soft) !important;
    color: var(--brand-dark) !important;
    font-weight: 600;
    padding: .35em .7em;
    border-radius: var(--radius);
}

/* ===== Dashboard layout ===== */
.dashboard-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - 64px);
    background: var(--gradient-dashboard);
}

.dashboard-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

.dashboard-sidebar a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: .92rem;
    border-left: 3px solid transparent;
    transition: all .15s ease;
}

.dashboard-sidebar a i {
    font-size: 1.1rem;
    width: 1.2rem;
    text-align: center;
}

.dashboard-sidebar a:hover {
    background: var(--brand-soft);
    color: var(--brand-dark);
    border-left-color: var(--brand-light);
}

.dashboard-sidebar a.active {
    background: var(--brand-soft);
    color: var(--brand-dark);
    border-left-color: var(--brand);
    font-weight: 600;
}

.dashboard-sidebar hr {
    margin: .75rem 1rem;
    border-color: var(--border);
    opacity: .5;
}

.dashboard-main { padding: 1.75rem 2rem; }

@media (max-width: 768px) {
    .dashboard-layout { grid-template-columns: 1fr; }
    .dashboard-sidebar { display: none; }
    .dashboard-main { padding: 1rem; }
}

/* ===== Headings ===== */
h1, h2, h3, h4, h5, h6 { color: var(--text); letter-spacing: -0.01em; }
.h3, h3 { font-weight: 700; }

/* ===== Cards ===== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s ease, transform .2s ease;
}

.card:hover { box-shadow: var(--shadow); }
.card.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.card.shadow { box-shadow: var(--shadow-md) !important; }
.card.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.card-body { padding: 1.5rem; }

/* ===== Stat cards ===== */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: all .2s ease;
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--brand);
}

.stat-card.stat-success::before { background: var(--success); }
.stat-card.stat-warning::before { background: var(--warning); }
.stat-card.stat-info::before { background: var(--info); }
.stat-card.stat-accent::before { background: var(--accent); }

.stat-card .stat-label {
    font-size: .78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
    margin-bottom: .35rem;
}

.stat-card .stat-value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-card .stat-icon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--brand-soft);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-card.stat-success .stat-icon { background: var(--success-soft); color: var(--success); }
.stat-card.stat-warning .stat-icon { background: var(--warning-soft); color: var(--warning); }
.stat-card.stat-info .stat-icon { background: var(--info-soft); color: var(--info); }
.stat-card.stat-accent .stat-icon { background: var(--accent-soft); color: var(--accent); }

/* ===== Buttons ===== */
.btn {
    font-weight: 500;
    border-radius: var(--radius);
    padding: .5rem 1rem;
    transition: all .15s ease;
    border: 1px solid transparent;
    font-size: .92rem;
}

.btn-primary {
    background: var(--gradient-brand);
    border: none;
    color: white;
    box-shadow: 0 1px 2px rgba(99, 102, 241, .3);
}

.btn-primary:hover {
    background: var(--gradient-brand);
    filter: brightness(0.92);
    box-shadow: 0 4px 12px rgba(99, 102, 241, .35);
    color: white;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    color: white;
}

.btn-success:hover { filter: brightness(0.92); color: white; }

.btn-warm {
    background: var(--gradient-warm);
    border: none;
    color: white;
}

.btn-warm:hover { filter: brightness(0.92); color: white; }

.btn-outline-primary {
    color: var(--brand);
    border-color: var(--brand);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--brand);
    color: white;
    border-color: var(--brand);
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-strong);
    background: var(--surface);
}

.btn-outline-secondary:hover {
    background: var(--bg-muted);
    color: var(--text);
    border-color: var(--text-muted);
}

.btn-outline-danger {
    color: var(--danger);
    border-color: #fca5a5;
}

.btn-outline-danger:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.btn-sm {
    padding: .3rem .65rem;
    font-size: .82rem;
}

/* ===== Forms ===== */
.form-label {
    font-weight: 600;
    font-size: .87rem;
    color: var(--text);
    margin-bottom: .35rem;
}

.form-control, .form-select {
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: .5rem .75rem;
    font-size: .95rem;
    background: var(--surface);
    transition: border-color .15s, box-shadow .15s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, .12);
    outline: none;
}

.form-control.is-invalid { border-color: var(--danger); }

.invalid-feedback { color: var(--danger); font-size: .82rem; }

.form-text { color: var(--text-muted); font-size: .82rem; }

.form-check-input { border-color: var(--border-strong); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }

/* ===== Tables ===== */
.table {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
}

.table thead th {
    background: var(--bg-muted);
    color: var(--text-muted);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border);
    padding: .75rem 1rem;
    border-top: none;
}

.table tbody td {
    padding: .85rem 1rem;
    border-color: var(--border);
    vertical-align: middle;
    color: var(--text);
}

.table tbody tr:hover { background: var(--brand-soft); }

.table code {
    background: var(--bg-muted);
    padding: .15rem .45rem;
    border-radius: var(--radius-sm);
    color: var(--brand-dark);
    font-size: .85em;
}

/* ===== Badges ===== */
.badge {
    font-weight: 600;
    padding: .35em .7em;
    border-radius: 999px;
    font-size: .72em;
    letter-spacing: .02em;
}

.badge.bg-success { background: var(--success-soft) !important; color: var(--success) !important; }
.badge.bg-warning { background: var(--warning-soft) !important; color: #92400e !important; }
.badge.bg-danger  { background: var(--danger-soft) !important; color: #991b1b !important; }
.badge.bg-info    { background: var(--info-soft) !important; color: #155e75 !important; }
.badge.bg-secondary { background: var(--bg-muted) !important; color: var(--text-muted) !important; }
.badge.bg-primary { background: var(--brand-soft) !important; color: var(--brand-dark) !important; }

/* ===== Alerts ===== */
.alert {
    border: 1px solid;
    border-radius: var(--radius);
    padding: .75rem 1rem;
    font-size: .92rem;
}

.alert-success { background: var(--success-soft); border-color: #6ee7b7; color: #065f46; }
.alert-danger  { background: var(--danger-soft);  border-color: #fca5a5; color: #991b1b; }
.alert-warning { background: var(--warning-soft); border-color: #fcd34d; color: #92400e; }
.alert-info    { background: var(--info-soft);    border-color: #67e8f9; color: #155e75; }

/* ===== Nav tabs ===== */
.nav-tabs {
    border-bottom: 1px solid var(--border);
}

.nav-tabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    padding: .65rem 1rem;
    font-weight: 500;
}

.nav-tabs .nav-link:hover {
    color: var(--brand);
    border-bottom-color: var(--brand-light);
}

.nav-tabs .nav-link.active {
    color: var(--brand-dark);
    background: transparent;
    border-bottom-color: var(--brand);
    font-weight: 600;
}

/* ===== Page header ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h1 {
    font-size: 1.65rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
}

.page-header .subtitle {
    color: var(--text-muted);
    font-size: .92rem;
    margin-top: .15rem;
}

/* ===== Voucher print (impression) ===== */
.voucher-print {
    border: 2px dashed #475569;
    padding: 14px;
    margin: 6px;
    display: inline-block;
    min-width: 220px;
    text-align: center;
    font-family: "Courier New", monospace;
    background: white;
}

.voucher-print .code {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #1e293b;
}

@media print {
    .no-print { display: none !important; }
    body { background: white !important; }
}

/* ===== Portal captif (public side) ===== */
.portal-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all .15s ease;
    border: 1px solid var(--border);
}

.portal-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-light);
}

/* ===== Empty states ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-soft);
    margin-bottom: .75rem;
    display: block;
}

/* ===== Utility ===== */
.text-muted { color: var(--text-muted) !important; }
.text-brand { color: var(--brand) !important; }
.text-accent { color: var(--accent) !important; }
.bg-brand-soft { background: var(--brand-soft) !important; }
.shadow-soft { box-shadow: var(--shadow-md) !important; }

/* ===== Footer ===== */
footer.text-center {
    padding: 2rem 1rem;
    color: var(--text-soft);
    font-size: .85rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
    margin-top: 3rem;
}

/* ===== Login page ===== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem 2rem;
}