:root {
    --primary: #1a365d;
    --primary-light: #2b6cb0;
    --accent: #ed8936;
    --bg: #f7fafc;
    --card: #ffffff;
    --text: #1a202c;
    --muted: #718096;
    --border: #e2e8f0;
    --success: #38a169;
    --error: #e53e3e;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}

.nav-brand a {
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1rem;
    flex: 1;
}

.nav-links a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.35rem 0.6rem;
    border-radius: 4px;
    transition: background 0.15s;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switch a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.85rem;
}

.lang-switch a:hover {
    color: white;
}

.logout-form button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.logout-form button:hover {
    background: rgba(255,255,255,0.1);
}

/* Container */
.container {
    max-width: 1100px;
    width: 100%;
    margin: 1.5rem auto;
    padding: 0 1rem;
    flex: 1;
}

/* Cards */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h1, .card h2 {
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #c53030;
}

.btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
}

/* Tables */
.table-wrap {
    overflow-x: auto;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: #edf2f7;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
}

tr:hover {
    background: #f7fafc;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: #c6f6d5;
    color: #22543d;
}

.badge-warning {
    background: #feebc8;
    color: #7b341e;
}

.badge-muted {
    background: #e2e8f0;
    color: #4a5568;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    text-align: center;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .label {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a365d 0%, #2b6cb0 100%);
}

.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.login-card .subtitle {
    text-align: center;
    color: var(--muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.login-card .btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* Actions row */
.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Onboarding */
.onboarding-info {
    background: #ebf8ff;
    border: 1px solid #90cdf4;
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.onboarding-info strong {
    color: var(--primary);
}