/* ================= THEME TOGGLE ================= */

.theme-light {
    --bodybg-color: #ffffff;
    --font-color: #222;
    --font-title-color: #111;
}

.theme-dark {
    --bodybg-color: #282a36;
    --font-color: #ffffff;
    --font-title-color: #ffffff;
}

body {
    background-color: var(--bodybg-color);
    color: var(--font-color);
}


body {
    font-family: 'Inter', sans-serif;
}

.hero {
    background: linear-gradient(90deg, #f7f0ff, #ffffff);
}

.category-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: auto;
    font-size: 22px;
    color: #fff;
}

.bg-purple { background: #7c3aed; }
.bg-pink   { background: #ec4899; }
.bg-green  { background: #22c55e; }
.bg-orange { background: #f97316; }
.bg-blue   { background: #3b82f6; }
.bg-yellow { background: #facc15; }
.bg-red    { background: #ef4444; }

.card img {
    height: 160px;
    object-fit: cover;
}

.card, nav, section {
    background-color: var(--bodybg-color);
    color: var(--font-color);
}

.text-muted {
    color: rgba(var(--secondary), 0.7) !important;
}

.col {
    cursor: pointer;
}

#themeToggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
}

ul {
    list-style: none;
}

.video-wrapper {
    height: 420px;
    background: linear-gradient(180deg, #111, #000);
}

.video-controls {
    background: #111;
    height: 45px;
}

.video-section {
    background-color: var(--bodybg-color);
    color: var(--font-color);
}

.list-group-item {
    background-color: var(--bodybg-color);
    color: var(--font-color);
    border-color: rgba(var(--secondary),0.2);
}

.nav-tabs .nav-link.active {
    border-bottom: 3px solid var(--primary);
    color: var(--primary);
}

.navbar-dark {
    background-color: var(--bodybg-color) !important;
    color: var(--font-color);
}

.video-controls {
    background-color: rgba(0,0,0,0.85);
}

.theme-light .video-controls {
    background-color: #f3f4f6;
    color: #222;
}

.theme-light .video-controls span,
.theme-light .video-controls button {
    color: #222;
}

.video-wrapper{
    height:420px;
    background:#000;
}

.video-controls{
    background:#f1f3f5;
    height:44px;
}

.course-sidebar{
    height:100vh;
    overflow-y:auto;
    background:var(--bodybg-color);
}

@media(max-width:992px){
    .course-sidebar{
        height:auto;
        border-top:1px solid #ddd;
    }
}

.theme-dark .nav-tabs .nav-link.active,
.theme-dark .nav-tabs .nav-link.focus,
.theme-dark .nav-tabs .nav-link.hover {
    color: #222 !important;
}

.content {
    color: var(--font-color);
}