/* General Dark Mode Variables & Base */
:root {
    --dark-bg-primary: #1a1a1a;
    --dark-bg-secondary: #222222;
    --dark-card-bg: #282828;
    --dark-border-color: #333;
    --dark-text-primary: #e0e0e0;
    --dark-text-secondary: #b0b0b0;
    --dark-text-muted: #888;
    --dark-accent-green: #58d68d;
    --dark-accent-green-hover: #4ac77c;
    --dark-input-bg: #282828;
    --dark-input-border: #444;
    --dark-input-placeholder: #888;
    --dark-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --dark-card-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    --dark-hover-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* 1. Body & Global Background/Text */
body {
    background-color: var(--dark-bg-primary) !important;
    color: var(--dark-text-primary) !important;
}

h1, h2, h3, h4 {
    color: var(--dark-text-primary) !important;
}

a {
    color: var(--dark-accent-green);
}
a:hover {
    color: var(--dark-accent-green-hover);
}

/* 2. Header & Navigation */
.navbar {
    background: var(--dark-bg-secondary) !important;
    border-bottom: 1px solid var(--dark-border-color) !important;
    box-shadow: var(--dark-shadow) !important;
}

.navbar-logo {
    color: var(--dark-accent-green) !important;
}

.navbar-links a {
    color: var(--dark-text-secondary) !important;
}

.navbar-links a:hover {
    background-color: #2f6f35 !important;
    color: white !important;
}

.nav {
    background-color: var(--dark-bg-secondary) !important;
    border-top: 1px solid var(--dark-border-color) !important;
    border-bottom: 1px solid var(--dark-border-color) !important;
}

.nav-item {
    background-color: var(--dark-card-bg) !important;
    border: 1px solid var(--dark-border-color) !important;
    color: var(--dark-text-primary) !important;
}

.nav-item:hover {
    background-color: var(--dark-accent-green) !important;
    color: var(--dark-bg-primary) !important;
    border-color: var(--dark-accent-green) !important;
}

.nav-item.selected {
    background-color: var(--dark-accent-green) !important;
    color: var(--dark-bg-primary) !important;
    border-color: var(--dark-accent-green) !important;
}

/* 3. Headings */
.channel-header {
    text-align: center !important;
    width: 100% !important;
    max-width: 1200px !important;
    margin: 40px auto 24px auto !important;
    padding: 0 20px !important;
}

.page-heading,
.main-heading,
.channel-header h1,
.channel-header h2 {
    color: var(--dark-accent-green) !important;
    text-align: center !important;
}

.sub-heading,
.channel-header p {
    color: var(--dark-text-secondary) !important;
}

/* 4. Search Bar */
.search-input {
    background-color: var(--dark-input-bg) !important;
    color: var(--dark-text-primary) !important;
    border: 1px solid var(--dark-input-border) !important;
}
.search-input::placeholder {
    color: var(--dark-input-placeholder) !important;
}
.search-input:focus {
    border-color: var(--dark-accent-green) !important;
    box-shadow: 0 0 0 3px rgba(88, 214, 141, 0.4) !important;
}

#searchSubmitBtn,
.search-bar button,
#standalone-search button {
    background-color: var(--dark-accent-green) !important;
    color: var(--dark-bg-primary) !important;
    border: none !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
}
#searchSubmitBtn:hover:not(:disabled),
.search-bar button:hover:not(:disabled),
#standalone-search button:hover:not(:disabled) {
    background-color: var(--dark-accent-green-hover) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3) !important;
}
#searchSubmitBtn:disabled,
.search-bar button:disabled,
#standalone-search button:disabled {
    background-color: #2f6f35 !important;
    color: var(--dark-text-muted) !important;
    box-shadow: none !important;
}

/* 5. Checkbox Filters */
.channel-filters label {
    color: var(--dark-text-primary) !important;
    background-color: var(--dark-card-bg) !important;
    border: 1px solid var(--dark-border-color) !important;
}
.channel-filters label:hover {
    background-color: #3a3a3a !important;
}
.channel-filters input[type="checkbox"] {
    border-color: var(--dark-accent-green) !important;
    background-color: var(--dark-input-bg) !important;
}
.channel-filters input[type="checkbox"]:checked {
    background-color: var(--dark-accent-green) !important;
    border-color: var(--dark-accent-green) !important;
}
.channel-filters input[type="checkbox"]:hover {
    border-color: var(--dark-accent-green-hover) !important;
}
.channel-filters input[type="checkbox"]:checked::after {
    color: white !important;
}

/* 6. Video Cards & Content */
/* Layout rules for video tiles */
.iframe-wrapper {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 20px !important;
    padding: 20px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
}

.video-tile {
    display: flex !important;
    flex-direction: column !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    width: calc(33.333% - 13.333px) !important;
    box-sizing: border-box !important;
    /* Dark mode styles for video-tile */
    background-color: var(--dark-card-bg) !important;
    box-shadow: var(--dark-card-shadow) !important;
    border: 1px solid var(--dark-border-color) !important;
}
.video-tile:hover {
    box-shadow: var(--dark-hover-shadow) !important;
}

.video-tile a {
    text-decoration: none; /* Removes the underline */
    color: inherit;      /* Makes the text inside the link match the heading color */
}

.video-tile h2 a {
    color: var(--dark-accent-green) !important;
}
.video-tile h2 a:hover {
    color: var(--dark-accent-green-hover) !important;
}

/* Specific styling for BACKEND-GENERATED HTML within .video-id */
.video-id h2 { /* The emoji heading like "🚀 HealthyVeganEating" */
    color: var(--dark-accent-green) !important;
    font-size: 1.15rem !important; /* Slightly larger than regular description text */
    margin-top: 0.8rem !important;
    margin-bottom: 0.5rem !important;
}

.video-id p {
    color: var(--dark-text-secondary) !important;
    line-height: 1.6 !important;
    margin-top: 0.5rem !important; /* Space above paragraphs */
    margin-bottom: 0.5rem !important; /* Space below paragraphs */
    font-size: 0.95rem !important;
}

.video-id p strong { /* For Creator:, Location:, Background:, etc. */
    color: var(--dark-accent-green) !important; /* Make these bold subheadings green */
    font-weight: 600 !important;
    /* No need for display: block here, as they are part of a <p> tag */
}

.video-id ul {
    list-style: none !important; /* Remove default list style */
    padding-left: 0 !important; /* Remove default padding for lists */
    margin-top: 0.5rem !important;
    margin-bottom: 0.8rem !important;
}

.video-id ul li {
    position: relative !important; /* For custom bullet positioning */
    padding-left: 1.2rem !important; /* Space for custom bullet */
    margin-bottom: 0.3rem !important;
    color: var(--dark-text-secondary) !important; /* List item text color */
    font-size: 0.95rem !important;
}

.video-id ul li::before {
    content: "• " !important; /* Custom bullet */
    color: var(--dark-accent-green) !important; /* Green bullet */
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    font-weight: bold !important;
    font-size: 1em !important;
}

.video-id hr { /* Styling for the <hr> separator from backend */
    border: none !important;
    border-top: 1px solid var(--dark-border-color) !important;
    margin: 1.5rem 0 !important; /* Spacing for the separator */
}

.ingredient-container span {
    background-color: #2f6f35 !important;
    color: var(--dark-text-primary) !important;
}
iframe {
    background-color: #000 !important;
}

/* Other sections */
.text-muted {
    color: var(--dark-text-muted) !important;
}
.section-title {
    color: var(--dark-text-primary) !important;
}
.divider {
    background-color: var(--dark-border-color) !important;
}
details {
    background-color: var(--dark-card-bg) !important;
    border: 1px solid var(--dark-border-color) !important;
    box-shadow: var(--dark-card-shadow) !important;
}
summary {
    color: var(--dark-text-primary) !important;
}
.scrollable-list {
    color: var(--dark-text-secondary) !important;
}
.category-list li {
    background-color: #2f6f35 !important;
    color: var(--dark-text-primary) !important;
}
.product-section h4, .device-section h4 {
    color: var(--dark-text-primary) !important;
}
.ingredient-scroll li, .device-list li {
    background-color: var(--dark-card-bg) !important;
    border: 1px solid var(--dark-border-color) !important;
    color: var(--dark-text-primary) !important;
}
.video-section, .info-section {
    background-color: var(--dark-card-bg) !important;
    box-shadow: var(--dark-card-shadow) !important;
    border: 1px solid var(--dark-border-color) !important;
}
.video-card {
    background-color: var(--dark-card-bg) !important;
    box-shadow: var(--dark-card-shadow) !important;
    border: 1px solid var(--dark-border-color) !important;
}
.pagination-btn {
    background-color: var(--dark-accent-green) !important;
    color: var(--dark-bg-primary) !important;
    border: 1px solid var(--dark-accent-green) !important;
}
.pagination-btn:disabled {
    background-color: #2f6f35 !important;
    color: var(--dark-text-muted) !important;
}
.footer {
    background-color: var(--dark-bg-secondary) !important;
    color: var(--dark-text-muted) !important;
    border-top: 1px solid var(--dark-border-color) !important;
}
.loader {
    border-color: var(--dark-border-color) !important;
    border-top-color: var(--dark-accent-green) !important;
}
.empty-state {
    background-color: var(--dark-card-bg) !important;
    color: var(--dark-text-primary) !important;
    border: 1px dashed var(--dark-accent-green) !important;
}
.summary {
    color: var(--dark-text-primary) !important;
}
.summary strong {
    color: var(--dark-accent-green) !important;
}
.radio-group label {
    color: var(--dark-text-primary) !important;
}
.radio-group input[type="radio"] {
    background-color: var(--dark-input-bg) !important;
    border-color: var(--dark-border-color) !important;
}
.radio-group input[type="radio"]:checked {
    background-color: var(--dark-accent-green) !important;
    border-color: var(--dark-accent-green) !important;
}
.radio-group input[type="radio"]:focus,
input:focus,
button:focus,
.summary:focus {
    outline: 3px solid rgba(88, 214, 141, 0.4) !important;
    outline-offset: 2px !important;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .video-tile {
        width: calc(50% - 10px) !important;
    }
}
@media (max-width: 600px) {
    .video-tile {
        width: 100% !important;
    }
}