/* style.css */
:root {
    --primary-color: #8a2be2;
    --primary-dark: #5a189a;
    --secondary-color: #00b4d8;
    --background-dark: #121212;
    --surface-dark: #1e1e1e;
    --surface-light: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-green: #4cc9f0;
    --accent-red: #f72585;
    --border-radius: 12px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
}

.app-header {
    background-color: var(--surface-dark);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.app-header h1 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.install-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.install-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.media-controls {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    height: 70vh;
}

@media (max-width: 768px) {
    .media-controls {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.file-picker-section {
    background-color: var(--surface-dark);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--surface-light);
}

.file-picker-section h2 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-green);
    font-size: 1.3rem;
}

.file-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.file-label {
    display: block;
    background: linear-gradient(45deg, var(--surface-light), var(--surface-dark));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    border: 2px dashed var(--secondary-color);
    transition: all 0.3s;
}

.file-label:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.file-label-text {
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
}

.file-label input[type="file"] {
    display: none;
}

.secondary-btn {
    background-color: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background-color: var(--secondary-color);
    color: var(--background-dark);
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface-light);
    border-radius: calc(var(--border-radius) / 2);
    margin-bottom: var(--spacing-sm);
    transition: background-color 0.2s;
}

.file-item:hover {
    background-color: var(--surface-dark);
}

.file-item.active {
    border-left: 4px solid var(--primary-color);
    background-color: rgba(138, 43, 226, 0.1);
}

.file-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.file-type {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.player-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    background-color: var(--surface-dark);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--surface-light);
}

.media-container {
    flex: 1;
    background-color: black;
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 300px;
}

.placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

#audioPlayer, #videoPlayer {
    width: 100%;
    height: 100%;
    outline: none;
}

#imageViewer {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.player-controls {
    background-color: var(--surface-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.control-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    flex: 1;
    min-width: 120px;
}

.control-btn:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#muteBtn {
    background-color: var(--surface-light);
    border: 1px solid var(--text-secondary);
}

#fullscreenBtn {
    background-color: var(--secondary-color);
}

input[type="range"] {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--primary-color);
}

.media-info {
    background-color: var(--surface-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.media-info h3 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
    word-break: break-all;
}

.metadata {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.offline-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--surface-dark);
    border-radius: var(--border-radius);
}

.offline-indicator {
    background-color: var(--accent-green);
    color: var(--background-dark);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.cache-status {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.app-footer {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--surface-dark);
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--surface-light);
}

.hidden {
    display: none !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--surface-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}