/* Typography & Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

:root {
    --bg-base: #020617; /* Very deep slate */
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #8b5cf6; /* Vibrant Purple */
    --accent-glow: rgba(139, 92, 246, 0.4);
    --bad: #ef4444;       
    --average: #eab308;
    --good: #10b981;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    scroll-behavior: smooth;
}

/* Premium Dynamic Mesh Background */
.background-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: 
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.15), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.1), transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(217, 70, 239, 0.05), transparent 40%);
    filter: blur(100px);
    animation: pulseBg 15s ease-in-out infinite alternate;
}

@keyframes pulseBg {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.8; }
}

/* Glassmorphic Sticky Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    padding: 18px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo span {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Search Bar */
.search-container {
    position: relative;
    width: 100%;
    max-width: 450px;
}

#search {
    width: 100%;
    padding: 14px 20px 14px 50px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: 9999px;
    color: var(--text-primary);
    font-size: 1.05rem;
    outline: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

#search::placeholder {
    color: var(--text-secondary);
    font-weight: 300;
}

#search:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow), inset 0 2px 4px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: color 0.3s ease;
}

#search:focus + .search-icon {
    color: var(--text-primary);
}

/* Movie Grid */
main {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 5%;
    min-height: calc(100vh - 150px);
}

.movie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 35px;
}

/* Movie Card */
.box {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    cursor: pointer;
    aspect-ratio: 2/3;
}

.box::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.4s ease;
}

.box:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 40px -10px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
    z-index: 10;
    border-color: rgba(255,255,255,0.2);
}

.box:hover::before {
    opacity: 1;
}

.box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.4s ease;
}

.box:hover img {
    transform: scale(1.08); /* Subtle zoom */
    filter: brightness(0.6) saturate(1.2) blur(2px);
}

/* Glassmorphism Info Overlay */
.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 6, 23, 0.98) 0%, rgba(2, 6, 23, 0.7) 60%, transparent 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 30px 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.box:hover .overlay {
    opacity: 1;
    transform: translateY(0);
}

.title-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 15px;
}

.overlay h2 {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    background: linear-gradient(to bottom right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Dynamic Rating Badge */
.rating {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rating.green { color: var(--good); border-color: rgba(16, 185, 129, 0.4); background: rgba(16, 185, 129, 0.1); box-shadow: 0 0 15px rgba(16, 185, 129, 0.2); }
.rating.orange { color: var(--average); border-color: rgba(234, 179, 8, 0.4); background: rgba(234, 179, 8, 0.1); box-shadow: 0 0 15px rgba(234, 179, 8, 0.2); }
.rating.red { color: var(--bad); border-color: rgba(239, 68, 68, 0.4); background: rgba(239, 68, 68, 0.1); box-shadow: 0 0 15px rgba(239, 68, 68, 0.2); }

/* Overview Text */
.overlay h3 {
    font-size: 0.9rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 800;
}

.overlay p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

/* Empty State / Errors */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 100px 20px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 300;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
        padding-top: 15px;
        padding-bottom: 15px;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .movie-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 25px;
    }
    
    .overlay h2 {
        font-size: 1.3rem;
    }
    
    .overlay p {
        font-size: 0.85rem;
        -webkit-line-clamp: 4;
    }
}