/* Base Styles & Variables */
:root {
    /* Colors - Material Design inspired */
    --primary-color: #1976d2;
    --primary-light: #42a5f5;
    --primary-dark: #0d47a1;
    --secondary-color: #f50057;
    --surface-color: #ffffff;
    --background-color: #f5f7fa;
    --text-primary: #212121;
    --text-secondary: #757575;
    --divider-color: #e0e0e0;
    --error-color: #f44336;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    
    /* Elevation/Shadow */
    --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --shadow-4: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Animation */
    --transition-fast: 0.2s;
    --transition-regular: 0.3s;
    --transition-slow: 0.5s;
    
    /* Layout */
    --header-height: 64px;
    --footer-height: 50px;
    --sidebar-width: 240px;
    
    /* Font Sizes */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-xxl: 24px;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Styles */
.app-header {
    background-color: var(--surface-color);
    box-shadow: var(--shadow-1);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-icon {
    color: var(--primary-color);
    font-size: var(--font-xl);
    margin-right: var(--spacing-sm);
}

.app-title {
    font-size: var(--font-xl);
    font-weight: 500;
    color: var(--primary-dark);
    white-space: nowrap;
}

.search-wrapper {
    flex-grow: 1;
    max-width: 500px;
    margin-left: var(--spacing-lg);
}

.search-container {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.04);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs) var(--spacing-md);
    transition: background-color var(--transition-fast);
}

.search-container:focus-within {
    background-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.search-icon {
    color: var(--text-secondary);
    margin-right: var(--spacing-sm);
}

.search-input {
    flex-grow: 1;
    border: none;
    background: transparent;
    padding: var(--spacing-sm);
    font-size: var(--font-md);
    color: var(--text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.clear-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    display: none;
    padding: var(--spacing-xs);
}

.clear-search-btn:hover {
    opacity: 1;
}

/* Main Content */
.app-main {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

/* Controls Bar */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.result-counter {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.view-toggle {
    display: flex;
    gap: var(--spacing-xs);
}

.view-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.view-btn:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

.view-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* Loading State */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
}

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

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

/* Error State */
.error-container {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--error-color);
}

.error-container i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.retry-btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-md);
    transition: background-color var(--transition-fast);
}

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

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.video-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.video-card {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
}

.video-card.list-view {
    display: flex;
    align-items: center;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background-color: #000;
    overflow: hidden;
}

.list-view .video-thumbnail {
    width: 180px;
    min-width: 180px;
    height: 100px;
    padding-top: 0;
}

.thumbnail-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.video-card:hover .play-icon {
    opacity: 1;
}

.video-info {
    padding: var(--spacing-md);
}

.list-view .video-info {
    flex: 1;
}

.video-title {
    font-size: var(--font-md);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    /* Truncate long titles */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    max-height: 2.8em;
}

.list-view .video-title {
    -webkit-line-clamp: 1;
    font-size: var(--font-lg);
}

/* Pagination */
.pagination-container {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    gap: var(--spacing-xs);
}

.page-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--surface-color);
    border: 1px solid var(--divider-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.page-btn:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

.page-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow: hidden;
}

.modal-content {
    position: relative;
    background-color: var(--surface-color);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    margin: 5vh auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-4);
    animation: modalFadeIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--divider-color);
}

.modal-header h2 {
    font-size: var(--font-lg);
    font-weight: 500;
    color: var(--text-primary);
}

.close-button {
    background: none;
    border: none;
    font-size: var(--font-xl);
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    display: flex;
    padding: var(--spacing-xs);
    border-radius: 50%;
}

.close-button:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.04);
}

.modal-body {
    padding: var(--spacing-md);
    flex: 1;
    overflow-y: auto;
}

.player-container {
    width: 100%;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: #000;
    aspect-ratio: 16 / 9;
}

/* Plyr Customization */
.plyr--full-ui input[type=range] {
    color: var(--primary-color);
}

.plyr__control--overlaid {
    background: var(--primary-color);
}

.plyr--video .plyr__control.plyr__tab-focus,
.plyr--video .plyr__control:hover,
.plyr--video .plyr__control[aria-expanded=true] {
    background: var(--primary-dark);
}

.plyr__control.plyr__tab-focus {
    box-shadow: 0 0 0 5px rgba(25, 118, 210, 0.5);
}

.plyr__menu__container .plyr__control[role=menuitemradio][aria-checked=true]:before {
    background: var(--primary-color);
}

/* Player Help */
.player-help {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: var(--border-radius-md);
    flex-wrap: wrap;
}

.help-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.help-item i {
    margin-right: var(--spacing-xs);
}

/* Toast Messages */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background-color: var(--surface-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-2);
    min-width: 250px;
    max-width: 350px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateX(100%);
    animation: slideIn 0.3s forwards, fadeOut 0.3s 2.7s forwards;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.info {
    border-left: 4px solid var(--primary-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

@keyframes slideIn {
    100% { transform: translateX(0); }
}

@keyframes fadeOut {
    100% { opacity: 0; }
}

/* Footer */
.app-footer {
    background-color: var(--surface-color);
    color: var(--text-secondary);
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-xl);
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-sm);
        height: auto;
    }

    .app-header {
        height: auto;
        padding: var(--spacing-sm) 0;
    }

    .logo-container {
        margin-bottom: var(--spacing-sm);
        justify-content: center;
    }

    .search-wrapper {
        margin-left: 0;
        max-width: none;
    }

    .app-main {
        padding: var(--spacing-md);
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

    .list-view .video-thumbnail {
        width: 120px;
        min-width: 120px;
        height: 68px;
    }

    .modal-content {
        width: 95%;
        margin: 2.5vh auto;
    }

    .player-help {
        gap: var(--spacing-md);
    }

    .help-item {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }

    .list-view .video-thumbnail {
        width: 100px;
        min-width: 100px;
        height: 56px;
    }

    .player-help {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .pagination {
        gap: 2px;
    }

    .page-btn {
        min-width: 32px;
        height: 32px;
        font-size: 12px;
    }
}
/* style.css */

/* Make player container relative for absolute positioning inside */
.player-container {
    position: relative;
    background-color: #000; /* Black background behind video */
}

/* Player Buffering/Loading Indicator Styles */
.player-loading-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent overlay */
    display: flex; /* Use flex to center content */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    z-index: 10; /* Above video, potentially below custom controls if needed */
    pointer-events: none; /* Allow interaction with player underneath */
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.player-loading-indicator[style*="display: none"] {
    opacity: 0; /* Fade out when hidden */
}

.player-loading-indicator .loading-spinner {
    /* Re-use or define a spinner style */
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

#playerLoadPercent {
    font-size: 1em; /* Slightly larger */
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* Define spin animation if not already present */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


/* Double Tap Feedback Styles */
.tap-feedback {
    /* Base styles are set inline via JS for positioning */
    /* Add transitions and appearance styles here */
    text-align: center;
    font-size: 0.9em;
}
.tap-feedback .feedback-icon {
    margin-bottom: 5px;
}
.tap-feedback .feedback-text {
    font-weight: bold;
}

/* Toast Message Container & Base Styles */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050; /* High z-index */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px; /* Spacing between toasts */
}

.toast {
    padding: 10px 20px;
    border-radius: 4px;
    color: #fff;
    font-size: 0.9em;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0; /* Start hidden */
    transform: translateY(20px); /* Start lower */
    transition: opacity 0.4s ease, transform 0.4s ease;
    min-width: 200px; /* Minimum width */
    text-align: center;
}

/* Toast Types */
.toast.info {
    background-color: #17a2b8; /* Bootstrap info color */
}

.toast.success {
    background-color: #28a745; /* Bootstrap success color */
}

.toast.warning {
    background-color: #ffc107; /* Bootstrap warning color */
    color: #333; /* Darker text for yellow */
}

.toast.error {
    background-color: #dc3545; /* Bootstrap danger color */
}

/* Ensure modal content doesn't overflow weirdly on smaller screens */
.modal-content {
    max-height: 95vh; /* Limit height */
    display: flex;
    flex-direction: column;
}

.modal-body {
    flex-grow: 1; /* Allow body to take remaining space */
    overflow-y: auto; /* Add scroll if content exceeds height */
    display: flex;
    flex-direction: column; /* Stack player and help */
}

.player-container {
    flex-shrink: 0; /* Prevent player from shrinking */
}

.player-help {
   margin-top: 15px; /* Space between player and help */
   padding: 0 15px; /* Padding for help text */
   flex-shrink: 0; /* Prevent help from shrinking too much */
}

/* Adjust double-tap feedback container if needed */
.plyr__video-wrapper {
  position: relative; /* Ensure it can contain absolute feedback */
}