/* ============================================
   METAL LYRICS GENERATOR - STYLESHEET
   Dark Theme mit Metal-Ästhetik
   MIT PREMIUM-SYSTEM
   ============================================ */

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farbpalette */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-card: #252525;
    --color-text: #e0e0e0;
    --color-text-muted: #999;
    --color-accent: #c41e3a;
    --color-accent-bright: #ec3837;
    --color-accent-dark: #8b1426;
    --color-border: #333;
    
    /* Schriften */
    --font-heading: 'Metal Mania', cursive;
    --font-body: 'Roboto Condensed', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Andere */
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Grain-Overlay für Textur */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='3.5' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--color-accent-bright);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1 {
    font-size: 2.5rem;
    text-shadow: 3px 3px 6px rgba(196, 30, 58, 0.5);
}

h2 {
    font-size: 2rem;
    text-shadow: 2px 2px 4px rgba(196, 30, 58, 0.4);
}

h3 {
    font-size: 1.3rem;
}

a {
    color: var(--color-accent-bright);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    border-bottom: 3px solid var(--color-accent);
    padding: var(--spacing-lg) 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(196, 30, 58, 0.3);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.header-text {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.header-logo {
    max-width: 120px;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

.header-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(196, 30, 58, 0.6));
}

.logo {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.tagline {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* ===== MAIN CONTENT ===== */
main {
    padding: var(--spacing-xl) 0;
}

/* Info Box */
.info-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius);
}

.info-box p {
    margin: 0;
    font-size: 1.1rem;
}

/* ===== GENERATOR SECTION ===== */
.generator-section {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
    color: var(--color-accent-bright);
}

.form-group select,
.form-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group select:focus,
.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(196, 30, 58, 0.3);
}

.form-group select option {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    margin-left: 5px;
    color: var(--color-text-muted);
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    text-align: center;
    border-radius: var(--border-radius);
    padding: 8px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.9rem;
    font-family: var(--font-body);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.4);
    margin-top: var(--spacing-md);
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(196, 30, 58, 0.6);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn:disabled {
    background: var(--color-bg-card);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Usage Info */
.usage-info {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.usage-info p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.premium-link {
    font-size: 0.9rem;
    font-weight: 700;
}

/* ===== RESULTS SECTION ===== */
.results-section {
    margin-bottom: var(--spacing-xl);
}

.lyrics-container {
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 8px 30px rgba(196, 30, 58, 0.3);
}

.lyrics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.lyrics-header h3 {
    margin: 0;
    font-size: 1.8rem;
}

.copy-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

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

.lyrics-content {
    font-size: 1.1rem;
    line-height: 1.8;
    white-space: pre-wrap;
    padding: var(--spacing-md) 0;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

.lyrics-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.lyrics-info {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.secondary-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-secondary);
    color: var(--color-accent-bright);
}

/* ===== EXAMPLES SECTION ===== */
.examples-section {
    margin-bottom: var(--spacing-xl);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.example-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.example-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(196, 30, 58, 0.2);
}

.example-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.example-card p {
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.example-card blockquote {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-sm);
    margin: 0;
}

/* ===== PREMIUM SECTION ===== */
.premium-section {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, #1a0a0f 100%);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: 0 10px 40px rgba(196, 30, 58, 0.4);
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.premium-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.premium-card:hover {
    border-color: var(--color-accent-bright);
    transform: scale(1.05);
}

.premium-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.premium-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.premium-cta {
    margin-top: var(--spacing-lg);
}

.premium-cta h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.premium-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-bright) 0%, var(--color-accent) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.premium-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.6);
    color: white;
}

.small-text {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

/* ===== FOOTER ===== */
footer {
    background: var(--color-bg-secondary);
    border-top: 2px solid var(--color-accent);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

footer p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

footer a {
    margin: 0 var(--spacing-sm);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 2rem;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .header-logo {
        max-width: 80px;
    }

    .header-logo-right {
        order: 3;
    }

    .header-text {
        order: 2;
    }

    .header-logo-left {
        order: 1;
    }

    .examples-grid,
    .premium-grid {
        grid-template-columns: 1fr;
    }

    .lyrics-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .action-buttons {
        flex-direction: column;
    }
}

/* Extra kleine Geräte */
@media (max-width: 480px) {
    .header-logo {
        max-width: 60px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 0.9rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.btn-loader {
    animation: pulse 1.5s infinite;
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: "⚡";
    display: inline-block;
    animation: pulse 1s infinite;
    margin-left: 10px;
}

/* ============================================
   PREMIUM-SYSTEM STYLES (NEU!)
   ============================================ */

/* Premium Inline Section */
.premium-section-inline {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.premium-activation {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
}

.premium-activation h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent-bright);
}

.premium-activation p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.premium-input-group {
    display: flex;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.premium-input-group input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.premium-input-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(196, 30, 58, 0.3);
}

.premium-activate-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.premium-activate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.4);
}

.premium-activate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.premium-hint {
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

/* Premium Active Status */
.premium-active {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

/* Premium Messages */
.premium-message {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.premium-message-success {
    background: #2ecc71;
    color: white;
}

.premium-message-error {
    background: #e74c3c;
    color: white;
}

/* Responsive Premium */
@media (max-width: 768px) {
    .premium-input-group {
        flex-direction: column;
    }
    
    .premium-input-group input {
        min-width: 100%;
    }
}