/**
 * Arizona Real Estate Intelligence Hub - Premium Glassmorphism Design System
 * Modern liquid aesthetic with sophisticated desert palette
 */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Desert Color Palette */
    --primary-gold: #DAA520;
    --primary-gold-light: #F4D03F;
    --primary-gold-dark: #B8860B;
    
    --secondary-teal: #008B8B;
    --secondary-teal-light: #20B2AA;
    --secondary-teal-dark: #006666;
    
    --sunset-orange: #FF6347;
    --sunset-coral: #FF7F50;
    --desert-sand: #F5DEB3;
    --warm-beige: #F5F5DC;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-gold) 0%, var(--sunset-orange) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-teal) 0%, var(--secondary-teal-light) 100%);
    --gradient-sunset: linear-gradient(135deg, #FF6B6B 0%, #FFE66D 50%, #FF6B35 100%);
    --gradient-mesh: radial-gradient(circle at 20% 50%, rgba(218, 165, 32, 0.3) 0%, transparent 50%),
                     radial-gradient(circle at 80% 20%, rgba(0, 139, 139, 0.3) 0%, transparent 50%),
                     radial-gradient(circle at 40% 80%, rgba(255, 99, 71, 0.2) 0%, transparent 50%);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-backdrop: blur(20px);
    
    --glass-card-bg: rgba(255, 255, 255, 0.15);
    --glass-card-border: rgba(255, 255, 255, 0.3);
    --glass-card-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Playfair Display', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
    
    /* Animations */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: #2D3748;
    background: var(--gradient-mesh), 
                linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Premium Container */
.premium-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Glass Morphism Cards */
.glass-card {
    background: var(--glass-card-bg);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    box-shadow: var(--glass-card-shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Premium Header */
.premium-header {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.premium-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, 
                              rgba(218, 165, 32, 0.1) 0deg, 
                              rgba(0, 139, 139, 0.1) 120deg, 
                              rgba(255, 99, 71, 0.1) 240deg, 
                              rgba(218, 165, 32, 0.1) 360deg);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.premium-header h1 {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.premium-header .subtitle {
    font-size: 1.25rem;
    color: #4A5568;
    font-weight: 400;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* Enhanced Form Elements */
.premium-form-group {
    margin-bottom: var(--space-lg);
    position: relative;
}

.premium-label {
    display: block;
    font-weight: 600;
    color: #2D3748;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-input, .premium-select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: 1rem;
    color: #2D3748;
    transition: all var(--transition-normal);
    position: relative;
}

.premium-input:focus, .premium-select:focus {
    outline: none;
    border-color: var(--primary-gold);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
    transform: translateY(-1px);
}

.premium-input::placeholder {
    color: rgba(77, 91, 124, 0.6);
}

/* Premium Buttons */
.premium-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.premium-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.premium-btn-primary::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: left var(--transition-slow);
}

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

.premium-btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    color: #2D3748;
}

.premium-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* Premium Results Display */
.premium-result {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--glass-card-bg);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    position: relative;
    overflow: hidden;
}

.premium-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.1;
    z-index: -1;
}

.premium-result-value {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
}

.premium-result-breakdown {
    color: #4A5568;
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 500;
}

/* Liquid Tabs */
.premium-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xs);
    margin-bottom: var(--space-xl);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.premium-tab {
    flex: 1;
    padding: var(--space-md);
    text-align: center;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-weight: 600;
    color: #4A5568;
    position: relative;
    z-index: 1;
}

.premium-tab.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.premium-tab:not(.active):hover {
    background: rgba(255, 255, 255, 0.1);
    color: #2D3748;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Premium Charts */
.premium-chart-container {
    padding: var(--space-xl);
    background: var(--glass-card-bg);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    margin: var(--space-lg) 0;
}

.premium-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    height: 200px;
    margin: var(--space-lg) 0;
}

.premium-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    transition: all var(--transition-normal);
    min-height: 20px;
    max-width: 80px;
    margin: 0 auto;
}

.premium-bar:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.premium-bar-label {
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: #4A5568;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-bar-value {
    position: absolute;
    bottom: -25px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: #2D3748;
}

/* Premium Stats Grid */
.premium-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.premium-stat-card {
    background: var(--glass-card-bg);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.premium-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.premium-stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #4A5568;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.premium-stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-mono);
}

/* Floating Action Buttons */
.premium-floating-actions {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    z-index: 1000;
}

.premium-fab {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.premium-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Premium Sliders */
.premium-slider-container {
    margin-top: var(--space-md);
    position: relative;
}

.premium-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    outline: none;
    transition: all var(--transition-normal);
}

.premium-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.premium-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

.premium-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

/* Premium Range Labels */
.premium-range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: #4A5568;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .premium-container {
        padding: 0 var(--space-md);
    }
    
    .premium-header {
        padding: var(--space-lg);
    }
    
    .premium-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .premium-tabs {
        flex-direction: column;
    }
    
    .premium-floating-actions {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
    
    .premium-fab {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* Loading Animations */
.premium-loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(218, 165, 32, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-gold);
    animation: spin 1s ease-in-out infinite;
}

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

/* Pulse Animation for CTAs */
.premium-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .8;
        transform: scale(1.02);
    }
}

/* Gradient Text Effect */
.premium-gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Premium Success States */
.premium-success {
    background: linear-gradient(135deg, #48BB78 0%, #38A169 100%);
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    margin: var(--space-lg) 0;
}

.premium-error {
    background: linear-gradient(135deg, #F56565 0%, #E53E3E 100%);
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    margin: var(--space-lg) 0;
}