/* thin1c - Base Styles */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --warning: #ca8a04;
    --danger: #dc2626;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 3rem;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

@media (max-width: 1200px) {
    .navbar {
        padding: 0 1.5rem;
    }
}

.navbar-brand a {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 0.5rem;
    flex: 1;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.15s;
}

.nav-link:hover {
    background: var(--gray-100);
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.navbar-end {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    color: var(--gray-500);
}

.logout-form {
    display: inline;
}

/* Container */
.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 2rem 3rem;
    flex: 1;
    width: 100%;
}

@media (max-width: 1920px) {
    .container {
        padding: 2rem;
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 1.5rem;
    }
}

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

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
}

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

.btn-danger:hover {
    background: #b91c1c;
}

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

.btn-warning:hover {
    background: #a16207;
}

.btn-link {
    background: none;
    border: none;
    color: var(--gray-500);
    padding: 0.25rem 0.5rem;
}

.btn-link:hover {
    color: var(--gray-700);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 13px;
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--gray-700);
}

.form-input {
    width: 100%;
    max-width: 500px;
    padding: 0.5rem 0.75rem;
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    transition: border-color 0.15s, box-shadow 0.15s;
}

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

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

.form-hint {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 13px;
    color: var(--danger);
    margin-top: 0.25rem;
}

/* Cards */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-700);
    background: var(--gray-50);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 12px;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Version display */
.version-current {
    font-family: monospace;
    font-weight: 500;
}

.version-available {
    font-size: 12px;
    color: var(--gray-500);
}

.version-update-available {
    color: var(--warning);
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 1rem;
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
    border-top: 1px solid var(--gray-200);
}

/* Login page */
.login-container {
    max-width: 400px;
    margin: 4rem auto;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 2rem;
    color: var(--primary);
}

/* Utils */
.text-muted {
    color: var(--gray-500);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }

/* Responsive */
@media (max-width: 1024px) {
    /* Collapse two-column grid to single column on smaller screens */
    [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem 1rem;
    }

    .navbar-menu {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding: 0.5rem 0;
    }

    .container {
        padding: 1rem;
    }

    .table {
        display: block;
        overflow-x: auto;
    }
}