/* ============================================
   DS.TRDepotManager -- Design-Tokens & Base
   Referenz: S3.NorthDataAutoExporter
   ============================================ */

:root {
    /* Primary */
    --primary: #0C5DA6;
    --primary-hover: #094a85;
    --primary-foreground: #ffffff;

    /* Surfaces */
    --background: #ffffff;
    --foreground: #1a1a1a;
    --muted: #f0f0f0;
    --muted-foreground: #6b6b6b;
    --border: #e8e8e8;

    /* Sidebar / Dark */
    --sidebar: #333333;
    --sidebar-foreground: #e8e8e8;
    --sidebar-muted: #444444;

    /* Semantic */
    --success: #26b050;
    --destructive: #ff4444;
    --warning: #ff9900;
    --info: #0C5DA6;

    /* Layout */
    --radius: 0;
    --header-height: 68px;
    --sidebar-width: 240px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html, body {
    font-family: var(--font-family);
    font-size: var(--font-size);
    color: var(--foreground);
    background: var(--background);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: var(--font-size);
    font-family: var(--font-family);
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 150ms, border-color 150ms;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--muted);
}

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

.btn-lg {
    padding: 12px 24px;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 4px 10px;
    font-size: var(--font-size-sm);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--muted-foreground);
}

.form-input,
.form-select {
    padding: 8px 12px;
    font-size: var(--font-size);
    font-family: var(--font-family);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--background);
    color: var(--foreground);
    outline: none;
    transition: border-color 150ms;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(12, 93, 166, 0.15);
}

.form-input::placeholder {
    color: var(--muted-foreground);
}

.form-input-lg {
    padding: 12px 16px;
    font-size: var(--font-size-lg);
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.card-header {
    padding: 12px 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.card-body {
    padding: 16px;
}

/* ============================================
   Tables
   ============================================ */

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

.data-table th,
.data-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table tbody tr:hover {
    background: var(--muted);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--muted);
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    padding: 12px 16px;
    border: 1px solid;
    border-radius: var(--radius);
    font-size: var(--font-size);
}

.alert-error {
    background: #fff0f0;
    border-color: var(--destructive);
    color: var(--destructive);
}

.alert-warning {
    background: #fff8e0;
    border-color: var(--warning);
    color: #7a5900;
}

.alert-success {
    background: #f0fff4;
    border-color: var(--success);
    color: #1a7a34;
}

.alert-info {
    background: #f0f7ff;
    border-color: var(--info);
    color: var(--primary);
}

/* ============================================
   Badges
   ============================================ */

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius);
}

.badge-success {
    background: #e6f9ed;
    color: #1a7a34;
}

.badge-danger {
    background: #fff0f0;
    color: var(--destructive);
}

.badge-warning {
    background: #fff8e0;
    color: #7a5900;
}

.badge-muted {
    background: var(--muted);
    color: var(--muted-foreground);
}

/* ============================================
   Utilities
   ============================================ */

.text-muted { color: var(--muted-foreground); }
.text-success { color: var(--success); }
.text-danger { color: var(--destructive); }
.text-sm { font-size: var(--font-size-sm); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* ============================================
   Blazor Overrides
   ============================================ */

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--destructive);
}

.validation-message {
    color: var(--destructive);
    font-size: var(--font-size-sm);
}

.blazor-error-boundary {
    background: var(--destructive);
    padding: 1rem;
    color: white;
}