/* Root Theme Variables (Default: Dark Mode) */
:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #0a0a0a;
    --bg-surface: #121212;
    --bg-surface-hover: #212121;
    --text-primary: #f1f1f1;
    --text-secondary: #a0a0a0;
    --border-main: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
}

/* Light Mode Overrides */
.light-mode {
    --bg-primary: #ffffff;
    --bg-secondary: #f9f9f9;
    --bg-surface: #f1f1f1;
    --bg-surface-hover: #e5e5e5;
    --text-primary: #0f0f0f;
    --text-secondary: #606060;
    --border-main: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.12);
}

/* Base Styles using Variables */
body {
    background-color: var(--bg-primary); 
    color: var(--text-primary);
}

/* Only transition when manually toggling */
body.theme-transitioning, 
body.theme-transitioning * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

/* Header & Sidebar specifics */
header, .sticky-nav {
    background-color: var(--bg-primary);
    border-color: var(--border-main) !important;
}

/* Custom Webkit Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: #717171;
}

/* Video Player container to maintain 16:9 aspect ratio */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    background-color: #000;
    border-radius: 12px;
    overflow: hidden;
}
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    outline: none;
}

/* Hover effect on video cards */
.movie-card:hover .play-icon-overlay {
    opacity: 1;
}

/* Card & Surface consistency */
.bg-surface { background-color: var(--bg-surface); }
.bg-surface-hover { background-color: var(--bg-surface-hover); }
.border-main { border-color: var(--border-main); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }