/* ========================================
   Virtuelle Stadtführung - Mobile-First CSS
   Farbschema: Kulturell & warm
   ======================================== */

/* CSS-Variablen für konsistente Farbgebung */
:root {
    --color-primary: #2C3E50;       /* Dunkelblau */
    --color-secondary: #E8B87E;     /* Warmes Gold */
    --color-accent: #C0775C;        /* Terrakotta */
    --color-background: #F5F5DC;    /* Beige */
    --color-text: #333333;          /* Dunkelgrau */
    --color-text-light: #666666;    /* Hellgrau */
    --color-white: #FFFFFF;
    --color-success: #4A7C59;       /* Grün */
    --color-danger: #C0392B;        /* Rot */
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #34495e 100%);
    color: var(--color-white);
    padding: 1rem 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    font-size: 1.5rem;
    text-align: center;
    margin: 0;
    padding: 0.5rem 0;
}

header nav {
    margin-top: 0.5rem;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

header nav a {
    color: var(--color-white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.1);
}

header nav a:hover,
header nav a.active {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

/* Main Content */
main {
    padding: 1.5rem 0;
    min-height: calc(100vh - 200px);
}

/* Card Styles */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.card h2 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.card p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Tour Grid */
.tours-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1a252f;
}

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

.btn-secondary:hover {
    background-color: #d4a566;
}

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

.btn-accent:hover {
    background-color: #a86347;
}

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

.btn-success:hover {
    background-color: #3d6548;
}

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

.btn-danger:hover {
    background-color: #a0311f;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Map Container */
#karte,
#map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 1.5rem 0;
}

/* Element List */
.element-list {
    list-style: none;
}

.element-item {
    background: var(--color-white);
    border-left: 4px solid var(--color-accent);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.element-item h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.element-item p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.element-item .distance {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: 4px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.element-item .distance.near {
    background-color: var(--color-danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Admin Table */
.admin-table {
    width: 100%;
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

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

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: rgba(232, 184, 126, 0.1);
}

.admin-table .actions {
    display: flex;
    gap: 0.5rem;
}

.admin-table .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Loading Spinner */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tours-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    #karte,
    #map-container {
        height: 500px;
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    header h1 {
        font-size: 2.5rem;
    }

    .tours-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    #karte,
    #map-container {
        height: 600px;
    }

    main {
        padding: 2rem 0;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.hidden {
    display: none;
}