/* ====================================
   CSS Variables & Design Tokens
   ==================================== */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: rgba(20, 20, 30, 0.8);
    --color-bg-glass: rgba(255, 255, 255, 0.05);
    
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    
    --color-accent: #f472b6;
    --color-accent-secondary: #22d3ee;
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.1) 0%, rgba(244, 114, 182, 0.05) 100%);
    --gradient-glow: radial-gradient(circle at center, var(--color-primary) 0%, transparent 70%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* 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 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ====================================
   Background Effects
   ==================================== */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-secondary);
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(20px, 10px) scale(1.02);
    }
}

/* ====================================
   Container & Layout
   ==================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    animation: fadeInUp 0.8s ease;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.logo-icon {
    font-size: var(--font-size-4xl);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

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

/* ====================================
   Search Section
   ==================================== */
.search-section {
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.search-form {
    max-width: 700px;
    margin: 0 auto;
}

.search-input-wrapper {
    display: flex;
    gap: var(--spacing-md);
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transition: all var(--transition-base);
}

.search-input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(99, 102, 241, 0.4);
}

.search-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.search-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.search-button:hover::before {
    opacity: 1;
}

.search-button:active {
    transform: translateY(0);
}

.button-icon {
    font-size: var(--font-size-lg);
}

/* ====================================
   Loading Section
   ==================================== */
.loading-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

.loader {
    position: relative;
    width: 80px;
    height: 80px;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

.loader-ring:nth-child(2) {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-top-color: var(--color-accent);
    animation-duration: 1s;
    animation-direction: reverse;
}

.loader-ring:nth-child(3) {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    border-top-color: var(--color-accent-secondary);
    animation-duration: 0.8s;
}

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

.loading-text {
    margin-top: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ====================================
   Results Section
   ==================================== */
.results-section {
    animation: fadeInUp 0.5s ease;
}

.results-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

/* Movie Card */
.movie-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.movie-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.movie-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.2);
}

.movie-card:hover::before {
    opacity: 0.1;
}

.movie-poster-wrapper {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
}

.movie-poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.movie-card:hover .movie-poster {
    transform: scale(1.1);
}

.no-poster {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    color: var(--color-text-muted);
    font-size: var(--font-size-3xl);
}

.movie-info {
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.movie-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.movie-year {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.movie-rating {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-sm);
    padding: 2px 8px;
    background: rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-warning);
}

/* ====================================
   Movie Detail Section
   ==================================== */
.movie-detail-section {
    animation: fadeInUp 0.5s ease;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-base);
}

.back-button:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    transform: translateX(-5px);
}

.movie-detail-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

.detail-poster-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.detail-poster {
    width: 100%;
    height: auto;
    display: block;
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.detail-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.detail-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detail-rating {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    border-radius: var(--radius-full);
    color: var(--color-warning);
    font-weight: 600;
}

.detail-overview {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.detail-genres {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.genre-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* Streaming Providers */
.providers-section {
    margin-top: var(--spacing-lg);
}

.providers-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.providers-title::before {
    content: '📺';
}

.providers-category {
    margin-bottom: var(--spacing-lg);
}

.providers-category-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.providers-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.provider-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.provider-item:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.provider-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.provider-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.no-providers {
    padding: var(--spacing-xl);
    text-align: center;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-xl);
    color: var(--color-text-secondary);
}

.no-providers-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

/* ====================================
   Error Section
   ==================================== */
.error-section {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.error-content {
    text-align: center;
    padding: var(--spacing-3xl);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-2xl);
}

.error-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.error-content h3 {
    font-size: var(--font-size-xl);
    color: var(--color-error);
    margin-bottom: var(--spacing-sm);
}

.error-content p {
    color: var(--color-text-secondary);
}

/* ====================================
   Footer
   ==================================== */
.footer {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-3xl);
}

.footer-note {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

/* ====================================
   Utility Classes
   ==================================== */
.hidden {
    display: none !important;
}

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .logo-icon {
        font-size: var(--font-size-2xl);
    }
    
    .search-input-wrapper {
        flex-direction: column;
        padding: var(--spacing-sm);
    }
    
    .search-button {
        width: 100%;
        justify-content: center;
    }
    
    .movie-detail-content {
        grid-template-columns: 1fr;
    }
    
    .detail-poster-wrapper {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .detail-title {
        font-size: var(--font-size-2xl);
    }
    
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: var(--font-size-xl);
    }
    
    .tagline {
        font-size: var(--font-size-sm);
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}