/* ═══════════════════════════════════════════════
   HinSchG-Portal – Basis-Styles (app.css)
   Globale Variablen, Reset, Komponenten
   ═══════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
    --primary: #1e3a5f;
    --primary-light: #2a4f7e;
    --primary-dark: #142a45;
    --secondary: #3b82f6;
    --secondary-light: #60a5fa;
    --accent: #10b981;
    --accent-light: #34d399;

    --danger: #ef4444;
    --danger-light: #fca5a5;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-bg: #fffbeb;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --success: #10b981;
    --success-light: #34d399;
    --success-bg: #ecfdf5;

    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --transition: 150ms ease;
}

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    min-height: 100vh;
}

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

img { max-width: 100%; height: auto; }

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Typography ── */
h1, h2, h3, h4 {
    color: var(--gray-900);
    line-height: 1.3;
    font-weight: 700;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }

.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-light);
    color: #fff;
}

.btn-secondary {
    background: var(--secondary);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--secondary-light);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--gray-300);
}
.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}
.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}
.btn-white:hover {
    background: var(--gray-100);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-xl { padding: 1rem 2rem; font-size: 1.0625rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── Form Elements ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font);
    font-size: 0.9375rem;
    color: var(--gray-800);
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

/* ── Cards ── */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}
.card-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1875rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    line-height: 1.5;
}

.badge-success { background: var(--success-bg); color: #065f46; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-info { background: var(--info-bg); color: #1e40af; }

/* ── Alerts ── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.alert-danger {
    background: var(--danger-bg);
    color: #991b1b;
    border: 1px solid var(--danger-light);
}
.alert-success {
    background: var(--success-bg);
    color: #065f46;
    border: 1px solid var(--success-light);
}

/* ── Utilities ── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    background: var(--gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    color: var(--gray-700);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    .form-row { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════
   Dark Mode Overrides (app.css)
   ═══════════════════════════════════════════════ */
[data-theme="dark"] body {
    color: var(--theme-text);
    background: var(--theme-bg);
}
[data-theme="dark"] a { color: var(--secondary-light); }
[data-theme="dark"] a:hover { color: #93c5fd; }
[data-theme="dark"] h1, [data-theme="dark"] h2,
[data-theme="dark"] h3, [data-theme="dark"] h4 { color: var(--theme-text-heading); }

[data-theme="dark"] .btn-primary { background: var(--secondary); border-color: var(--secondary); }
[data-theme="dark"] .btn-primary:hover { background: #2563eb; }
[data-theme="dark"] .btn-outline { color: var(--theme-text); border-color: var(--theme-border-input); }
[data-theme="dark"] .btn-outline:hover { background: var(--theme-bg-hover); border-color: var(--secondary); }
[data-theme="dark"] .btn-ghost { color: var(--theme-text-secondary); }
[data-theme="dark"] .btn-ghost:hover { background: var(--theme-bg-hover); color: var(--theme-text); }
[data-theme="dark"] .btn-white { background: var(--theme-bg-card); color: var(--theme-text); border-color: var(--theme-border); }

[data-theme="dark"] .form-group label { color: var(--theme-text-secondary); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: var(--theme-bg-input);
    color: var(--theme-text);
    border-color: var(--theme-border-input);
}
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus { border-color: var(--secondary); }
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder { color: var(--theme-text-dimmer); }
[data-theme="dark"] .form-hint { color: var(--theme-text-dimmer); }

[data-theme="dark"] .card { background: var(--theme-bg-card); border-color: var(--theme-border); }
[data-theme="dark"] .card-header { background: var(--theme-bg-card-alt); border-color: var(--theme-border); }
[data-theme="dark"] .card-header h3 { color: var(--theme-text); }

[data-theme="dark"] .text-muted { color: var(--theme-text-muted); }
[data-theme="dark"] .alert-danger { background: rgba(239,68,68,0.1); color: #fca5a5; border-color: rgba(239,68,68,0.2); }
[data-theme="dark"] .alert-success { background: rgba(16,185,129,0.1); color: #6ee7b7; border-color: rgba(16,185,129,0.2); }

[data-theme="dark"] code { background: var(--theme-code-bg); color: var(--theme-text-secondary); }