:root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --border: #e2e6ee;
    --text: #1f2a37;
    --muted: #6b7280;
    --header: #1E2632;
    --accent: #3B5069;
    --primary: #3B5069;
    --primary-hover: #2c3d54;
    --success: #047857;
    --success-hover: #065f46;
    --danger: #b91c1c;
    --danger-hover: #991b1b;
    --warning: #b45309;
    --info: #2563eb;
    --info-hover: #1d4ed8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* ---------- Topbar ---------- */
.topbar {
    background: var(--header);
    color: #fff;
    padding: 0.75rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.topbar-inner { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.brand {
    font-family: 'Quicksand', 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.brand .brand-accent { font-weight: 400; opacity: 0.7; margin-left: 0.25rem; font-size: 0.85rem; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.nav-group { position: relative; }
.nav-group > .nav-trigger {
    background: transparent;
    color: #fff;
    border: 1px solid transparent;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-group > .nav-trigger:hover,
.nav-group:hover > .nav-trigger,
.nav-group:focus-within > .nav-trigger {
    background: rgba(255,255,255,0.08);
}
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    min-width: 220px;
    padding: 0.4rem;
    display: none;
    z-index: 1000;
}
.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown { display: block; }
.nav-dropdown a {
    display: block;
    padding: 0.55rem 0.75rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.92rem;
}
.nav-dropdown a:hover { background: var(--bg); color: var(--accent); }
.nav-link {
    color: #fff;
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-size: 0.95rem;
}
.nav-link:hover { background: rgba(255,255,255,0.08); }
.nav .user { color: rgba(255,255,255,0.7); font-size: 0.85rem; padding-left: 0.5rem; }
.nav .logout {
    color: #fff;
    background: rgba(255,255,255,0.1);
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
}
.nav .logout:hover { background: rgba(255,255,255,0.2); }

main.container { padding-top: 1.5rem; padding-bottom: 3rem; min-height: calc(100vh - 8rem); }

h1 { margin-top: 0; font-size: 1.75rem; color: var(--header); }
h2 { font-size: 1.25rem; margin-top: 2rem; color: var(--header); }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- Cards ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.auth-card { max-width: 420px; margin: 3rem auto; }

/* ---------- Forms ---------- */
.field { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.field-inline { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.input,
input[type=text],
input[type=email],
input[type=password],
input[type=number],
input[type=date],
input[type=url],
textarea,
select {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    background: var(--surface);
    color: var(--text);
    width: 100%;
}
textarea { min-height: 90px; resize: vertical; }
.input:focus,
input:focus,
textarea:focus,
select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.err { color: var(--danger); font-size: 0.85rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border: 1px solid transparent;
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    background: var(--surface);
    color: var(--text);
    transition: background 0.15s, color 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-add, .btn-success { background: var(--success); color: #fff; }
.btn-add:hover, .btn-success:hover { background: var(--success-hover); }
.btn-edit, .btn-info { background: var(--info); color: #fff; }
.btn-edit:hover, .btn-info:hover { background: var(--info-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-secondary { border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.85rem; }

.actions { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 760px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Stats cards ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
@media (max-width: 760px) { .stats-grid { grid-template-columns: 1fr; } }
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.stat-label { color: var(--muted); font-size: 0.85rem; }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--header); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.table th, .table td {
    text-align: left;
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
    vertical-align: middle;
}
.table th { background: #f9fafb; font-weight: 600; color: var(--header); }
.table tbody tr { transition: background 0.12s; }
.table tbody tr:hover { background: #f5f7fb; }
.table tr:last-child td { border-bottom: none; }
.table .row-actions { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.table .row-actions form { display: inline; margin: 0; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg);
    color: var(--muted);
}
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #fee2e2; color: #991b1b; }
.badge-admin { background: #ede9fe; color: #5b21b6; }
.badge-soon { background: #fef3c7; color: #92400e; }

/* ---------- Flash ---------- */
.flashes { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.flash { padding: 0.7rem 0.95rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); }
.flash-success { border-color: var(--success); color: var(--success); background: #ecfdf5; }
.flash-danger { border-color: var(--danger); color: var(--danger); background: #fef2f2; }
.flash-warning { border-color: var(--warning); color: var(--warning); background: #fffbeb; }

.footer { padding: 1rem 0; color: var(--muted); border-top: 1px solid var(--border); background: var(--surface); }

/* ---------- Login page ---------- */
.login-page {
    min-height: 100vh;
    background: var(--header);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'><g fill='none' stroke='rgba(255,255,255,0.05)' stroke-width='1.5'><line x1='30' y1='20' x2='30' y2='40'/><line x1='20' y1='30' x2='40' y2='30'/></g></svg>");
    background-size: 60px 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    font-family: 'Inter', sans-serif;
}
.login-card {
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.login-logo {
    text-align: center;
    font-family: 'Quicksand', sans-serif;
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--header);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}
.login-logo span { font-weight: 500; }
.login-title {
    text-align: center;
    font-size: 1rem;
    color: var(--muted);
    margin: 0 0 1.75rem;
    font-weight: 500;
}
.login-card form { display: flex; flex-direction: column; gap: 1rem; }
.login-card .field { margin: 0; }
.login-card label {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 0.25rem;
}
.login-card input {
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.95rem;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login-card .btn-login {
    background: var(--header);
    color: #fff;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background 0.15s;
}
.login-card .btn-login:hover { background: #2a3445; }
.login-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    text-align: center;
}
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}
.login-footer a { color: var(--accent); text-decoration: none; }
.login-footer a:hover { text-decoration: underline; }

/* ---------- Google OAuth button ---------- */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    background: #fff;
    color: #1f2a37;
    border: 1px solid #dadce0;
    border-radius: 8px;
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, box-shadow 0.15s;
    margin-bottom: 1rem;
}
.btn-google:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.btn-google svg { flex-shrink: 0; }

.login-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1rem 0 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
}
.login-divider::before,
.login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}
.login-divider span { padding: 0 0.25rem; }

/* ---------- Inline lang grid for multilingual fields ---------- */
.lang-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
@media (max-width: 760px) { .lang-grid { grid-template-columns: 1fr; } }