:root {
    /* Primary Colors */
    --color-regal-purple: #5D3FD3;
    --color-imperial-gold: #D4AF37;
    --color-emerald-green: #3A9D23;
    
    /* Text Colors */
    --color-charcoal-black: #1A202C;
    --color-cloud-white: #F7FAFC;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Contrast Colors */
    --color-royal-blue: #264D73;
    --color-deep-red: #B22222;

    /* Semantic Colors */
    --color-primary: var(--color-regal-purple);
    --color-primary-dark: #4B32A6;
    --color-primary-light: #7C5DD8;
    --color-secondary: var(--color-imperial-gold);
    --color-secondary-dark: #B8941F;
    --color-success: var(--color-emerald-green);
    --color-warning: #F6B100;
    --color-error: var(--color-deep-red);
    
    /* Background Colors */
    --color-background: var(--color-gray-50);
    --color-background-light: white;
    --color-surface: white;
    --color-surface-hover: var(--color-gray-50);
    
    /* Text Colors Semantic */
    --color-text: var(--color-charcoal-black);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-500);
    
    /* Status Colors Light */
    --color-success-light: #ECFDF5;
    --color-warning-light: #FFFBEB;
    --color-error-light: #FEF2F2;
    --color-info-light: #EFF6FF;
    
    /* Font Families */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Lora', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Layout */
.main {
    min-height: calc(100vh - var(--header-height));
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__brand {
    display: flex;
    align-items: center;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.navbar__logo-icon {
    font-size: 2rem;
}

.navbar__logo-text {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: -0.025em;
}

.navbar__actions,
.navbar__user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar__user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar__user-avatar {
    font-size: 1.5rem;
}

.navbar__user-name {
    font-weight: 600;
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
    white-space: nowrap;
    -webkit-user-select: none;
    user-select: none;
}

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

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm);
}

.btn--ghost:hover {
    background: var(--color-gray-100);
    color: var(--color-text);
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
}

.btn__icon {
    font-size: 1.1em;
}

/* Hero Section */
.hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-gray-100) 100%);
    overflow: hidden;
}

.hero__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.hero__title-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero__features {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.hero__feature-icon {
    font-size: 1.5rem;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #f0f0f0, #cacaca);
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.hero__phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__app-preview {
    width: 100%;
    text-align: center;
}

.hero__race-card {
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.hero__race-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero__race-horses {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero__horse {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

/* Dashboard */
.dashboard {
    padding: var(--spacing-3xl) 0;
}

.dashboard__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.dashboard__header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    align-items: start;
}

.dashboard__title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.dashboard__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.dashboard__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-card__label {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.dashboard__section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.dashboard__section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

/* Quick Actions */
.dashboard__quick-actions {
    margin-bottom: var(--spacing-3xl);
}

.quick-actions__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.quick-action-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: left;
}

.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.quick-action-card__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.quick-action-card__content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.quick-action-card__content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.quick-action-card__arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.quick-action-card:hover .quick-action-card__arrow {
    transform: translateX(4px);
}

/* Races Grid */
.races__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* Results Grid */
.results__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.features__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.features__title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-3xl);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.how-it-works__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.how-it-works__title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-3xl);
}

.how-it-works__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.step__number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step__content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.step__content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--color-gray-900);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__brand .footer__logo {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.footer__brand p {
    color: var(--color-gray-400);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer__section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer__section a {
    display: block;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer__section a:hover {
    color: white;
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--color-gray-400);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero__title {
        font-size: 3rem;
    }
    
    .dashboard__header {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .dashboard__stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .hero {
        padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .dashboard__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .quick-actions__grid {
        grid-template-columns: 1fr;
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .how-it-works__steps {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer__links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1.125rem;
    }
    
    .hero__phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .navbar__logo-text {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Error Message */
.error-message {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-error);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    z-index: 10000;
    font-family: var(--font-primary);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.is-offline {
    opacity: 0.7;
    pointer-events: none;
}