:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --text: #2b2d42;
    --background: #f8f9fa;
    --card: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

.dark-mode {
    --primary: #4895ef;
    --secondary: #4361ee;
    --text: #f8f9fa;
    --background: #121212;
    --card: #1e1e1e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background);
    color: var(--text);
    margin: 0;
    padding: 0;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 100;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.header {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeIn 1s ease-out;
}

.title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.title i {
    margin-right: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text);
    opacity: 0.8;
    margin-bottom: 2rem;
}

.search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 10px;
}

#search-input {
    flex: 1;
    padding: 15px;
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--card);
    color: var(--text);
    transition: var(--transition);
}

#search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.3);
}

#search-btn {
    padding: 0 25px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

#search-btn:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

#results {
    margin-top: 2rem;
}

.welcome-message {
    text-align: center;
    animation: fadeIn 1s ease-out;
}

.welcome-img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.movie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    animation: fadeIn 0.5s ease-out;
}

.movie-card {
    background: var(--card);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.movie-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.movie-poster {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: var(--transition);
}

.movie-card:hover .movie-poster {
    transform: scale(1.05);
}

.movie-info {
    padding: 1rem;
}

.movie-title {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.movie-year {
    color: var(--primary);
    font-weight: 600;
    margin: 0.3rem 0;
}

.movie-type {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 4px solid var(--primary);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.error-message {
    text-align: center;
    color: #e63946;
    font-weight: 600;
    padding: 2rem;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    #search-btn {
        justify-content: center;
        padding: 15px;
    }
    
    .movie-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .movie-poster {
        height: 300px;
    }
}