:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(99, 102, 241, 0.2);
    --accent: #22d3ee;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--background) 0%, #1e293b 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.search-section {
    margin-bottom: 3rem;
}

.search-box {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

#searchInput {
    width: 100%;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: 16px;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--surface);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

#searchInput::placeholder {
    color: var(--text-secondary);
}

#searchInput:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), 0 4px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(-1px);
}

.autocomplete-results {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-height: 500px;
    overflow-y: auto;
    box-shadow: var(--shadow);
    z-index: 1000;
    display: none;
    backdrop-filter: blur(10px);
}

.autocomplete-results.show {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.autocomplete-item {
    padding: 1rem 1.25rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: var(--surface-hover);
    padding-left: 1.5rem;
}

.autocomplete-item img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.autocomplete-item-content {
    flex: 1;
    min-width: 0;
}

.autocomplete-item-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.autocomplete-item-publisher {
    font-size: 0.9rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5rem 0;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.podcast-details {
    background: var(--surface);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

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

.podcast-details.show {
    display: block;
}

.podcast-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.podcast-cover {
    flex-shrink: 0;
}

.podcast-cover img {
    width: 240px;
    height: 240px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.podcast-cover img:hover {
    transform: scale(1.02);
}

.podcast-info {
    flex: 1;
    min-width: 300px;
}

.podcast-info h2 {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.meta-item {
    background: var(--background);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.meta-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.meta-value {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
}

.podcast-description {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.podcast-description h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.podcast-description p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.podcast-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    transform: translateY(-1px);
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.cache-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--accent);
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(34, 211, 238, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(34, 211, 238, 0.2);
}

/* Scrollbar styling */
.autocomplete-results::-webkit-scrollbar {
    width: 8px;
}

.autocomplete-results::-webkit-scrollbar-track {
    background: var(--background);
    border-radius: 10px;
}

.autocomplete-results::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

.autocomplete-results::-webkit-scrollbar-thumb:hover {
    background: var(--surface-hover);
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .podcast-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .podcast-cover img {
        width: 200px;
        height: 200px;
    }

    .podcast-info {
        width: 100%;
    }

    .meta-grid {
        grid-template-columns: 1fr;
    }

    .podcast-details {
        padding: 1.5rem;
    }
}