/* ============================================
   BASE - Variablen, Reset, Header
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
}

/* ========== HEADER ========== */
.header {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.header-content h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.header-content .subtitle {
    color: var(--gray-400);
    font-size: 0.85rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-header {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-header:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
}

.btn-header .badge {
    background: var(--primary);
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
}

/* ========== NOTIFICATIONS ========== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success { background: var(--success); }
.notification.error { background: var(--danger); }
.notification.info { background: var(--primary); }

/* ========== FOOTER ========== */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--gray-500);
    font-size: 0.85rem;
}

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