/* style.css - Modernes Design mit max 800px */
:root {
    /* Farbpalette */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Hintergrundfarben */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    
    /* Textfarben */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Border & Shadows */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --secondary: #a78bfa;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #22d3ee;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-elevated: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border: #475569;
    --border-light: #334155;
    
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: var(--transition-slow);
}

/* Container mit max 800px */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    text-align: center;
    padding: 2rem 0 1.5rem;
    margin-bottom: 1.5rem;
}

.logo {
    font-size: 3.5rem;
    margin-bottom: 0.75rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.theme-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.theme-btn:hover {
    transform: rotate(15deg);
    box-shadow: var(--shadow-md);
}

/* IP Display */
.ip-display-container {
    position: relative;
    margin-bottom: 2rem;
}

.ip-display {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.ip-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    100% { left: 100%; }
}

.ip-label {
    font-size: 0.95rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.ip-address {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 2.25rem;
    font-weight: 700;
    margin: 1rem 0;
    word-break: break-all;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ip-badges {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* Badges */
.badge {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge.primary { background: rgba(59, 130, 246, 0.9); }
.badge.success { background: rgba(16, 185, 129, 0.9); }
.badge.warning { background: rgba(245, 158, 11, 0.9); }
.badge.danger { background: rgba(239, 68, 68, 0.9); }
.badge.info { background: rgba(6, 182, 212, 0.9); }

/* GDPR Notice */
.gdpr-notice {
    background: linear-gradient(135deg, var(--warning), #f59e0b);
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}

.gdpr-notice strong {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-light);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.card-icon.provider { background: linear-gradient(135deg, var(--warning), #f59e0b); }
.card-icon.geo { background: linear-gradient(135deg, var(--success), #10b981); }
.card-icon.network { background: linear-gradient(135deg, var(--info), #06b6d4); }
.card-icon.api { background: linear-gradient(135deg, var(--secondary), #8b5cf6); }

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Info Items */
.info-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    flex-shrink: 0;
    min-width: 120px;
}

.info-value {
    font-weight: 600;
    text-align: right;
    color: var(--text-primary);
    max-width: calc(100% - 130px);
    word-break: break-word;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
}

/* Actions */
.actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2.5rem 0;
}

.btn {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    border: none;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition);
    font-size: 1rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border-light);
    transform: translateY(-2px);
}

/* Loading */
.loading {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.75rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Notification */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success);
    color: white;
    padding: 1.25rem 1.75rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-slow);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 400px;
}

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

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

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header {
        padding: 1.5rem 0 1rem;
    }
    
    .logo {
        font-size: 3rem;
    }
    
    .title {
        font-size: 1.75rem;
    }
    
    .ip-address {
        font-size: 1.75rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    .theme-toggle {
        top: 1rem;
        right: 1rem;
    }
    
    .theme-btn {
        width: 2.75rem;
        height: 2.75rem;
    }
    
    .notification {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .ip-address {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1.25rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .info-label, .info-value {
        min-width: auto;
        max-width: 100%;
        text-align: left;
    }
    
    .actions {
        grid-template-columns: 1fr;
    }
    
    .ip-badges {
        gap: 0.375rem;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none; }