:root {
    --navy: #1a2f3d;
    --teal: #567c8b;
    --sky-blue: #c8d9e6;
    --beige: #f5efeb;
    --beige-dark: #e8ddd8;
    --gradient-primary: linear-gradient(135deg, var(--teal) 0%, #6a96a8 100%);
    --gradient-bg: linear-gradient(135deg, var(--navy) 0%, #2a4454 100%);
    --shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 35px 60px rgba(0, 0, 0, 0.6);
}

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

body {
    background: var(--gradient-bg);
    color: var(--beige);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Film Background */
.film-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.12;
}

.film-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    padding: 30px;
    height: 100%;
}

.film-poster-bg {
    width: 100%;
    height: 320px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    transition: all 0.5s ease;
    filter: brightness(0.7) saturate(1.2);
}

.film-poster-bg:hover {
    transform: scale(1.08) rotate(2deg);
    filter: brightness(0.9) saturate(1.4);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8);
}

/* Navigation */
.navbar {
    background: rgba(26, 47, 61, 0.95);
    backdrop-filter: blur(25px);
    border-bottom: 3px solid var(--teal);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo h1 {
    background: linear-gradient(45deg, #ffffff, #88CCCA, #2C7A7B);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    font-weight: 900;
    font-size: 2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--beige);
    text-decoration: none;
    font-weight: 600;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.4s ease;
    z-index: -1;
}

.nav-links a:hover {
    color: var(--beige);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(86, 124, 139, 0.4);
}

.nav-links a:hover::before {
    left: 0;
}

.nav-links a.active {
    background: var(--gradient-primary);
    color: var(--beige);
    border-color: var(--teal);
    box-shadow: 0 10px 30px rgba(86, 124, 139, 0.3);
}

/* Buttons */
.btn {
    padding: 1rem 2.2rem;
    border: none;
    border-radius: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.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: left 0.6s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--beige);
    border: 2px solid var(--teal);
    box-shadow: 0 10px 30px rgba(86, 124, 139, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 50px rgba(86, 124, 139, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--beige);
    border: 2px solid var(--teal);
}

.btn-secondary:hover {
    background: var(--teal);
    color: var(--beige);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(86, 124, 139, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545, #ff6b6b);
    color: white;
    border: 2px solid #dc3545;
}

.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(220, 53, 69, 0.4);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* Hero Sections */
.hero {
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(86, 124, 139, 0.3) 0%, transparent 50%);
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--beige), var(--sky-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.4rem;
    color: var(--sky-blue);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Film Cards */
.films-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin: 3rem 0;
}

.film-card {
    background: linear-gradient(135deg, rgba(26, 47, 61, 0.9) 0%, rgba(42, 68, 84, 0.9) 100%);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s ease;
    border: 2px solid var(--teal);
    box-shadow: var(--shadow-lg);
    position: relative;
    backdrop-filter: blur(10px);
}

.film-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(86, 124, 139, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.film-card:hover::before {
    opacity: 1;
}

.film-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--sky-blue);
}

.film-poster {
    width: 100%;
    height: 420px;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sky-blue);
    font-size: 3.5rem;
    position: relative;
    overflow: hidden;
}

.film-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.film-rating {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(0, 0, 0, 0.85);
    color: #ffd93d;
    padding: 0.8rem 1.2rem;
    border-radius: 15px;
    font-weight: bold;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.film-info {
    padding: 2rem;
}

.film-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--beige);
    line-height: 1.3;
}

.film-meta {
    display: flex;
    justify-content: space-between;
    color: var(--sky-blue);
    font-size: 1rem;
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

.film-director {
    color: var(--teal);
    font-weight: 600;
}

.film-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.film-actions .btn {
    flex: 1;
    padding: 0.8rem;
    font-size: 0.9rem;
}

/* Forms */
.form-container {
    max-width: 500px;
    margin: 3rem auto;
    background: linear-gradient(135deg, rgba(26, 47, 61, 0.95) 0%, rgba(42, 68, 84, 0.95) 100%);
    padding: 3.5rem;
    border-radius: 25px;
    border: 2px solid var(--teal);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 2.2rem;
}

.form-label {
    display: block;
    margin-bottom: 1rem;
    color: var(--beige);
    font-weight: 700;
    font-size: 1.1rem;
}

.form-input {
    width: 100%;
    padding: 1.2rem 1.8rem;
    background: rgba(245, 239, 235, 0.08);
    border: 2px solid var(--teal);
    border-radius: 15px;
    color: var(--beige);
    font-size: 1.1rem;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.form-input::placeholder {
    color: var(--sky-blue);
    opacity: 0.6;
}

.form-input:focus {
    outline: none;
    border-color: var(--sky-blue);
    background: rgba(245, 239, 235, 0.12);
    box-shadow: 0 0 0 4px rgba(200, 217, 230, 0.15);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: rgba(26, 47, 61, 0.9);
    border-top: 3px solid var(--teal);
    padding: 3rem 0;
    text-align: center;
    margin-top: 6rem;
    backdrop-filter: blur(15px);
}

.footer p {
    color: var(--sky-blue);
    opacity: 0.8;
    font-size: 1.1rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(86, 124, 139, 0.3); }
    50% { box-shadow: 0 0 40px rgba(86, 124, 139, 0.6); }
}

.floating {
    animation: float 8s ease-in-out infinite;
}

.glow {
    animation: glow 3s ease-in-out infinite;
}

/* Loading */
.loading {
    text-align: center;
    padding: 4rem;
    color: var(--sky-blue);
}

.spinner {
    border: 4px solid rgba(245, 239, 235, 0.2);
    border-top: 4px solid var(--teal);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero {
        padding: 5rem 1rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .films-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-container {
        margin: 2rem 1rem;
        padding: 2.5rem 2rem;
    }
    
    .film-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 20px;
    }
    
    .film-poster-bg {
        height: 200px;
    }
}

.btn-watchlist.added {
    background: var(--sky-blue);
    color: var(--beige);
}

.btn-watchlist.added:hover {
    background: var(--teal);
    transform: scale(1.05);
}