/* --- Global Styles & Variables --- */
:root {
    --primary-bg: #121212;
    --secondary-bg: #1e1e1e;
    --card-bg: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #b3b3b3;
    --accent-primary: #1db954;
    --accent-hover: #1ed760;
    --error-color: #e53935;
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
}

/* --- Header & Search Bar --- */
.site-header {
    background-color: var(--secondary-bg);
    padding: 20px 5%;
    text-align: center;
    border-bottom: 1px solid #333;
}

.site-header h1 {
    color: var(--accent-primary);
    margin: 0 0 15px 0;
}

.search-container {
    display: flex;
    justify-content: center;
    gap: 10px;
}

#search-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 20px;
    border-radius: 50px;
    border: 2px solid var(--card-bg);
    background-color: #333;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

#search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(29, 185, 84, 0.5);
}

#search-button {
    padding: 12px 25px;
    border-radius: 50px;
    border: none;
    background-color: var(--accent-primary);
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#search-button:hover {
    background-color: var(--accent-hover);
}

/* --- Main Content & Results Grid --- */
.site-main {
    padding: 30px 5%;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 25px;
}

.movie-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.movie-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow);
}

.movie-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    border-bottom: 3px solid var(--accent-primary);
}

.movie-card .title {
    padding: 15px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Status Messages (Loading, Error, Empty) --- */
#status-container {
    padding: 40px 0;
}

.status-message {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
}
.status-message.error {
    color: var(--error-color);
    background-color: rgba(229, 57, 53, 0.1);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--error-color);
}
.retry-button {
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 50px;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    cursor: pointer;
}
.retry-button:hover { background-color: var(--accent-hover); }

/* Skeleton Loader */
.skeleton {
    animation: skeleton-loading 1.5s linear infinite alternate;
}
@keyframes skeleton-loading {
    0% { background-color: hsl(200, 20%, 30%); }
    100% { background-color: hsl(200, 20%, 40%); }
}
.skeleton-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.skeleton-img { height: 300px; }
.skeleton-text { height: 20px; margin: 15px; border-radius: 4px; }

/* --- Pagination --- */
.pagination-container {
    text-align: center;
    margin-top: 40px;
}
#load-more-button {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 50px;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}
#load-more-button:hover { background-color: var(--accent-hover); }
#load-more-button:disabled { background-color: #555; cursor: not-allowed; }

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    z-index: 1000;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay:not(.hidden) { opacity: 1; }

.modal-content {
    background-color: var(--secondary-bg);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    border-radius: var(--border-radius);
    position: relative;
    box-shadow: var(--box-shadow);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.modal-overlay:not(.hidden) .modal-content { transform: scale(1); }

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}
.close-button:hover { color: white; }

#modal-body-content { padding: 30px; }
.modal-loader { text-align: center; font-size: 1.2rem; color: var(--accent-primary); }

.modal-details-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
}
.modal-poster img {
    width: 100%;
    border-radius: var(--border-radius);
}
.modal-info h2 {
    margin-top: 0;
    color: var(--accent-primary);
}
.modal-info p {
    color: var(--text-secondary);
    max-height: 250px;
    overflow-y: auto;
}

#download-links {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.download-button {
    padding: 10px 15px;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}
.download-button:hover { background-color: var(--accent-hover); }
.download-button.loading {
    background-color: #555;
    cursor: wait;
    position: relative;
    color: transparent;
}
.download-button.loading::after { /* Spinner */
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 0; bottom: 0; left: 0; right: 0;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: button-spinner 1s ease infinite;
}
@keyframes button-spinner { to { transform: rotate(360deg); } }

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

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .modal-details-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .modal-poster {
        max-width: 250px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    .movie-card img { height: 220px; }
    .search-container { flex-direction: column; }
}