/* Random Data Generator - CSS Styles */

/* === GLOBAL STYLES === */
:root {
    /* Core Color Palette - Dark Theme */
    --primary-bg: #0a0d14;
    --secondary-bg: #111827;
    --tertiary-bg: #1e293b;
    --accent-color-1: #00f0ff;
    --accent-color-2: #e100ff;
    --accent-color-3: #5061ff;
    --text-primary: #f5f7fa;
    --text-secondary: #94a3b8;
    
    /* Functional Colors */
    --glass-bg: rgba(18, 24, 38, 0.7);
    --card-border: rgba(0, 240, 255, 0.2);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Animation Timing */
    --transition-fast: 0.3s;
    --transition-medium: 0.5s;
    --transition-slow: 0.8s;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* === PARTICLES BACKGROUND === */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* === back to home === */
.back-link {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    -webkit-text-fill-color: #1a6ad2;
    margin: 1rem 0;
    font-size: 1rem;
}

.back-link:hover {
    color: var(--accent-color-1);
}
.back-link i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}
.back-link:hover i {
    transform: translateX(-3px);
}
/* === LAYOUT === */
.main-content {
    padding-top: 120px;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === TOOL HEADER === */
.tool-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.header-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    z-index: -1;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.main-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color-1), var(--accent-color-2));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.title-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 20px var(--accent-color-1));
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(225, 0, 255, 0.1));
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
}

/* === GENERATORS GRID === */
.generators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* === GENERATOR CARDS === */
.generator-card {
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    position: relative;
    transition: all var(--transition-fast);
}

.generator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--glass-highlight) 0%, transparent 50%);
    pointer-events: none;
}

.generator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
    border-color: var(--accent-color-1);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.card-title i {
    color: var(--accent-color-1);
    font-size: 1.25rem;
}

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

/* === INPUT STYLES === */
.input-group {
    margin-bottom: 1rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.input-wrapper {
    position: relative;
}

.quantity-input,
.length-input,
.range-input,
.domain-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.quantity-input:focus,
.length-input:focus,
.range-input:focus,
.domain-input:focus {
    outline: none;
    border-color: var(--accent-color-1);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1), 0 0 20px rgba(0, 240, 255, 0.3);
    transform: translateY(-1px);
}

/* === CHECKBOX STYLES === */
.options-group {
    margin-bottom: 1.5rem;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    padding: 0.5rem;
    border-radius: 8px;
}

.checkbox-label:hover {
    background: rgba(0, 240, 255, 0.05);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--card-border);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-fast);
    background: rgba(17, 24, 39, 0.8);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, var(--accent-color-1), var(--accent-color-3));
    border-color: var(--accent-color-1);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* === CUSTOM DOMAIN SECTION === */
.custom-domain-group {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid rgba(0, 240, 255, 0.1);
}

/* === BUTTONS === */
.generate-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent-color-1), var(--accent-color-3));
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.generate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.generate-btn:hover::before {
    left: 100%;
}

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

.copy-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.copy-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--accent-color-1);
    transform: translateY(-1px);
}

/* === OUTPUT STYLES === */
.output-section {
    margin-top: 1.5rem;
}

.output-textarea {
    width: 100%;
    min-height: 120px;
    max-height: 200px;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    transition: all var(--transition-fast);
}

.output-textarea:focus {
    outline: none;
    border-color: var(--accent-color-1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.output-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* === TOAST NOTIFICATION === */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast i {
    font-size: 1.1rem;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .generators-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .main-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .generators-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .generator-card {
        padding: 1.5rem;
    }
    
    .input-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-badges {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding-top: 100px;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .generator-card {
        padding: 1rem;
    }
    
    .toast {
        top: 10px;
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.generator-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

/* === FOCUS ACCESSIBILITY === */
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--accent-color-1);
    outline-offset: 2px;
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .header-glow {
        animation: none;
    }
}