/* CSS Custom Properties for Themes */
:root {
    /* Dark theme (default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-container: #1a1a1a;
    --bg-main: #0a0a0a;
    --text-primary: #00ffcc;
    --text-secondary: #FFFFFF;
    --text-muted: #9CA3AF;
    --accent-color: #00ffcc;
    --border-color: #00ffcc;
    --shadow-color: #00ffcc;
    --input-bg: #1a1a1a;
    --button-primary-bg: #00ffcc;
    --button-primary-text: #0a0a0a;
    --button-secondary-bg: #0a0a0a;
    --button-secondary-text: #00ffcc;
    --card-bg: #1a1a1a;
    --card-hover-bg: #0a0a0a;
    --gradient-start: #7C3AED;
    --gradient-end: #00C4FF;
    --success-color: #10B981;
    --error-bg: #fef2f2;
    --error-border: #fecaca;
    --error-text: #dc2626;
}

[data-theme="light"] {
    /* Light theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-container: #ffffff;
    --bg-main: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --accent-color: #3b82f6;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --button-primary-bg: #3b82f6;
    --button-primary-text: #ffffff;
    --button-secondary-bg: #ffffff;
    --button-secondary-text: #3b82f6;
    --card-bg: #ffffff;
    --card-hover-bg: #f8fafc;
    --gradient-start: #3b82f6;
    --gradient-end: #06b6d4;
    --success-color: #059669;
    --error-bg: #fef2f2;
    --error-border: #fecaca;
    --error-text: #dc2626;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-container);
    border: 2px solid var(--border-color);
    box-shadow: 0 0 20px var(--shadow-color);
    border-radius: 8px;
    margin-top: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 2rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.theme-toggle {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 2px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--shadow-color);
}

.theme-icon {
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(180deg);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--shadow-color);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    opacity: 0.8;
    transition: color 0.3s ease;
}

.brand-tagline {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 5px var(--shadow-color);
    transition: color 0.3s ease;
}

.brand-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.brand-link:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--shadow-color);
    transform: translateY(-1px);
}

.brand-link::after {
    content: '↗';
    margin-left: 0.3rem;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.brand-link:hover::after {
    opacity: 1;
}

/* Main content */
.main-content {
    flex: 1;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 0 15px var(--shadow-color);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Input section */
.input-section {
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 2rem;
}

.input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-shadow: 0 0 5px var(--shadow-color);
    transition: color 0.3s ease;
}

.topic-input {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.topic-input::placeholder {
    color: var(--text-primary);
    opacity: 0.6;
}

.topic-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--input-bg);
    box-shadow: 0 0 10px var(--shadow-color);
}

/* Tone picker */
.tone-picker {
    margin-bottom: 2rem;
}

.tone-label {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-shadow: 0 0 5px var(--shadow-color);
    transition: color 0.3s ease;
}

.emoji-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    box-shadow: 0 0 10px var(--shadow-color);
    transition: all 0.3s ease;
}

.emoji-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    min-height: 80px;
    color: var(--text-primary);
}

.emoji-btn:hover {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--shadow-color);
}

.emoji-btn.selected {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 15px var(--shadow-color);
}

.emoji {
    font-size: 2rem;
    margin-bottom: 0.3rem;
    display: block;
}

.tone-name {
    font-weight: 500;
    font-size: 0.8rem;
    text-align: center;
    line-height: 1.2;
}

/* Turnstile container */
.turnstile-container {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    box-shadow: 0 0 10px var(--shadow-color);
    transition: all 0.3s ease;
}

.turnstile-container:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--shadow-color);
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.generate-btn {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: 2px solid var(--accent-color);
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 180px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Courier New', monospace;
}

.generate-btn:hover:not(:disabled) {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    transform: translateY(-2px);
    box-shadow: 0 0 15px var(--shadow-color);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.surprise-btn {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 2px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
}

.surprise-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--shadow-color);
}

/* Output section */
.output-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.output-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
    text-shadow: 0 0 10px var(--shadow-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

.hooks-container {
    display: grid;
    gap: 1rem;
}

.hook-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--shadow-color);
}

.hook-card:hover {
    border-color: var(--accent-color);
    background: var(--card-hover-bg);
    transform: translateY(-1px);
    box-shadow: 0 0 15px var(--shadow-color);
}

.hook-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.copy-btn {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: #FFFFFF;
    border: none;
    padding: 0.4rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.copy-btn:hover {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.copy-btn.copied {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-color) 100%);
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-muted);
    margin-top: auto;
    padding: 2rem 0;
    transition: color 0.3s ease;
}

.powered-by {
    font-size: 0.9rem;
    opacity: 0.8;
}

.powered-by strong {
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--shadow-color);
}

.return-link {
    margin-top: 0.5rem;
}

.return-link-text {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.return-link-text:hover {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--shadow-color);
    transform: translateX(-2px);
}

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

.btn-loading {
    display: inline-block;
    animation: spin 1s linear infinite;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1rem 0.5rem;
    }
    
    .main-content {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .emoji-buttons {
        grid-template-columns: repeat(3, 1fr);
        max-height: 300px;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .generate-btn,
    .surprise-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .emoji-buttons {
        grid-template-columns: repeat(2, 1fr);
        max-height: 250px;
    }
    
    .emoji-btn {
        padding: 0.8rem 0.3rem;
        min-height: 70px;
    }
    
    .emoji {
        font-size: 1.8rem;
    }
    
    .tone-name {
        font-size: 0.7rem;
    }
}

/* Success animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Neon glow animation */
@keyframes neonPulse {
    0%, 100% {
        box-shadow: 
            0 0 5px rgba(124, 58, 237, 0.5),
            0 0 10px rgba(124, 58, 237, 0.3),
            0 0 15px rgba(124, 58, 237, 0.2);
    }
    50% {
        box-shadow: 
            0 0 10px rgba(124, 58, 237, 0.8),
            0 0 20px rgba(124, 58, 237, 0.5),
            0 0 30px rgba(124, 58, 237, 0.3);
    }
}

/* Arcade-style glow */
.emoji-btn.selected {
    animation: neonPulse 2s ease-in-out infinite;
}

.generate-btn:hover:not(:disabled) {
    animation: neonPulse 1.5s ease-in-out infinite;
}

/* Background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(250, 204, 21, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    transition: opacity 0.3s ease;
}

[data-theme="dark"] body::before {
    background: 
        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 196, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(250, 204, 21, 0.05) 0%, transparent 50%);
}

.hook-card {
    animation: fadeInUp 0.5s ease-out;
}

.hook-card:nth-child(1) { animation-delay: 0.1s; }
.hook-card:nth-child(2) { animation-delay: 0.2s; }
.hook-card:nth-child(3) { animation-delay: 0.3s; }
.hook-card:nth-child(4) { animation-delay: 0.4s; }
.hook-card:nth-child(5) { animation-delay: 0.5s; }