:root {
    --bg: #050505;
    --accent: #FF4500;
    --accent-glow: rgba(255, 69, 0, 0.4);
    --card: rgba(17, 17, 17, 0.65);
    --card-hover: rgba(25, 25, 25, 0.85);
    --text-muted: #ffe0e090;
    --glass-border: rgba(255, 255, 255, 0.08);
}

/* Premium Image Rendering & Brand Colors */
img {
    image-rendering: auto;
}

.bg-brand {
    background: linear-gradient(135deg, var(--accent) 0%, #FF6347 100%) !important;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: white;
    margin: 0;
    overflow-x: hidden;
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

/* Glassmorphism Styles */
.glass-panel {
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}
.glass-panel.active-dropdown-panel {
    z-index: 50 !important;
}

.glass-card {
    background: rgba(18, 18, 18, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.glass-card:hover {
    background: rgba(22, 22, 22, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

/* Global Noise Overlay */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999; /* below modals but above bg */
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("https://grainy-gradients.vercel.app/noise.svg");
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #222;
    border-radius: 4px;
    border: 2px solid var(--bg);
}

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

/* Reveal Animation Styles */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Floating & Cinematic Animations */
@keyframes tracking-in-expand {
    0% { letter-spacing: 0.6em; filter: blur(12px); opacity: 0; }
    60% { filter: blur(3px); opacity: 0.8; }
    100% { letter-spacing: -0.02em; filter: blur(0); opacity: 1; }
}

.animate-title-in {
    animation: tracking-in-expand 2.2s cubic-bezier(0.21, 1, 0.36, 1) forwards;
}

@keyframes drift-aurora-left {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(6%, -5%) scale(1.04); }
}

@keyframes drift-aurora-right {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-5%, 6%) scale(0.96); }
}

.animate-drift-left {
    animation: drift-aurora-left 22s ease-in-out infinite;
}

.animate-drift-right {
    animation: drift-aurora-right 28s ease-in-out infinite;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.2; }
    50% { transform: translateY(-20px) translateX(12px); opacity: 0.7; }
}

.particle {
    animation: float-particle 7s ease-in-out infinite;
}

.splash-warp-out {
    transform: scale(2.2) !important;
    filter: blur(12px) !important;
    opacity: 0 !important;
    transition: all 1.8s cubic-bezier(0.77, 0, 0.175, 1) !important;
}

/* Slider styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    background-color: var(--accent);
    height: 16px;
    width: 16px;
    border-radius: 50%;
    margin-top: -5px;
    box-shadow: 0 0 10px var(--accent);
    transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Custom glow effect */
.glow-accent {
    text-shadow: 0 0 15px var(--accent-glow);
}

.box-glow {
    box-shadow: 0 0 25px var(--accent-glow);
}

/* Rating Circle Progress */
.circle-rating {
    transform: rotate(-90deg);
}

.circle-rating-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
}

.circle-rating-progress {
    fill: none;
    stroke: var(--accent);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s ease-in-out;
}

/* Custom glow for studio badges (pulsing aura) */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 15px color-mix(in srgb, var(--accent) 40%, transparent),
                    inset 0 0 5px color-mix(in srgb, var(--accent) 20%, transparent);
    }
    50% {
        box-shadow: 0 0 25px color-mix(in srgb, var(--accent) 75%, transparent),
                    inset 0 0 10px color-mix(in srgb, var(--accent) 40%, transparent);
    }
}

.studio-glow {
    animation: pulse-glow 3.5s infinite ease-in-out;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.studio-glow:hover {
    animation: none;
    transform: scale(1.08) translateY(-1px);
    box-shadow: 0 0 30px color-mix(in srgb, var(--accent) 70%, transparent),
                inset 0 0 12px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.85) !important;
    background-color: color-mix(in srgb, var(--accent) 30%, transparent) !important;
}

/* Staggered slide-up animation for episode rows */
@keyframes slide-up-fade {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.episode-row {
    opacity: 0;
    animation: slide-up-fade 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.episode-row:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15) !important;
    transform: translateX(4px);
}

/* Watched episode states */
.episode-row.watched-active {
    border-left-width: 3px !important;
    border-left-color: var(--accent) !important;
    background-color: color-mix(in srgb, var(--accent) 4%, transparent);
}

.episode-row.watched-active:hover {
    background-color: color-mix(in srgb, var(--accent) 7%, transparent);
}

/* Transition utility for Detail Page */
.page-transition-active {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.episode-row {
    position: relative;
    z-index: 10;
}
.episode-row.active-dropdown-row {
    z-index: 100 !important;
}

/* Custom Dropdown Animations & States */
.select-chevron {
    transition: transform 0.2s ease;
}
.select-chevron.rotate-180 {
    transform: rotate(180deg);
}

.select-options-list {
    background: #0f0f0f !important; /* solid background to prevent transparency overlap bug */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9), 0 0 15px color-mix(in srgb, var(--accent) 10%, transparent) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes studio-page-in {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.animate-studio-in {
    animation: studio-page-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Studio landing card */
.studio-landing-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 1.5rem;
    border: 1px solid rgba(255,255,255,0.06);
    background: rgba(10,10,10,0.8);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.studio-landing-card:hover {
    border-color: var(--studio-brand-color, rgba(255,69,0,0.4));
    box-shadow: 0 0 40px var(--studio-glow-color, rgba(255,69,0,0.15)), 0 20px 60px rgba(0,0,0,0.5);
    transform: translateY(-6px) scale(1.02);
}

.studio-landing-card .studio-logo-bg {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: radial-gradient(ellipse at center, var(--studio-glow-color, rgba(255,69,0,0.12)) 0%, transparent 70%);
}

.studio-landing-card:hover .studio-logo-bg {
    opacity: 1;
}

.studio-landing-card .studio-name-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    transform: translateY(4px);
    transition: transform 0.3s ease;
}

.studio-landing-card:hover .studio-name-overlay {
    transform: translateY(0);
}

@keyframes studio-card-in {
    from { opacity: 0; transform: translateY(30px) scale(0.95); filter: blur(4px); }
    to   { opacity: 1; transform: translateY(0) scale(1);     filter: blur(0); }
}

.studio-card-animate {
    opacity: 0;
    animation: studio-card-in 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes studio-profile-enter {
    from { opacity: 0; transform: translateX(40px); filter: blur(8px); }
    to   { opacity: 1; transform: translateX(0);    filter: blur(0); }
}

.animate-profile-enter {
    animation: studio-profile-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ──────────────────────────────────────────────────────────────────────────
   Cinematic Logo Transition Animations (Satisfying & High-End)
   ────────────────────────────────────────────────────────────────────────── */

/* Ambient Spotlight Pulse - breathing light effect behind the logo */
@keyframes spotlight-cinematic-pulse {
    0%, 100% {
        transform: scale(1.0);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.75;
    }
}

/* Inner Float Sway - ultra-smooth sinusoidal drifting & subtle wobble */
@keyframes logo-cinematic-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* Sweep shine animation across the logo */
@keyframes shine-sweep-anim {
    0% {
        transform: translateX(-150%) skewX(-25deg);
    }
    100% {
        transform: translateX(150%) skewX(-25deg);
    }
}

/* Floating dust particles */
@keyframes float-particle-cinematic {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.15;
    }
    50% {
        transform: translateY(-30px) translateX(15px);
        opacity: 0.5;
    }
}

/* Active styles triggered in sequence */
.transition-active #transition-spotlight {
    animation: spotlight-cinematic-pulse 4s ease-in-out infinite;
}

.transition-active #transition-logo-container {
    animation: logo-cinematic-float 5s ease-in-out infinite;
}

.shine-sweep-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.shine-sweep-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.04) 25%,
        rgba(255, 255, 255, 0.25) 50%,
        rgba(255, 255, 255, 0.04) 75%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: translateX(-150%) skewX(-25deg);
    pointer-events: none;
    z-index: 20;
}

.transition-active .shine-sweep-wrap::after {
    animation: shine-sweep-anim 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}

.transition-particle {
    animation: float-particle-cinematic 8s ease-in-out infinite;
}


/* ──────────────────────────────────────────────────────────────────────────
   Registration Hover Tooltip Animations & Glows (High-End & Dynamic)
   ────────────────────────────────────────────────────────────────────────── */

@keyframes tooltip-item-in {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.tooltip-item-animate {
    opacity: 0;
    animation: tooltip-item-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.16;
        transform: scale(1.0);
    }
    50% {
        opacity: 0.30;
        transform: scale(1.18);
    }
}

.glow-pulse-bg {
    animation: glow-pulse 3s infinite ease-in-out;
}



/* Collapsible Filter Panel Transitions */
#advanced-filters-panel {
    transition: all 0.3s ease-out;
}
#advanced-filters-panel.flex {
    animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ──────────────────────────────────────────────────────────────────────────
   Real-Time Toast Notifications (High-End & Premium Glow)
   ────────────────────────────────────────────────────────────────────────── */

#toast-container {
    pointer-events: none;
}

.toast-card {
    pointer-events: auto;
    background: rgba(13, 13, 13, 0.85) !important;
    backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 69, 0, 0.15) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 69, 0, 0.1);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.toast-card.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-card.hide {
    transform: translateX(120%) scale(0.9);
    opacity: 0;
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

.toast-progress-bar {
    animation: toastProgress 4.0s linear forwards;
}

/* Animations for Group Stats Modal and Sidebar */
@keyframes scaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Scrollbar customization for Activities list & Details breakdown */
#activities-feed-list::-webkit-scrollbar,
#modal-friends-list::-webkit-scrollbar,
#stats-ranking-container::-webkit-scrollbar,
#stats-genres-container::-webkit-scrollbar {
    width: 4px;
}
#activities-feed-list::-webkit-scrollbar-track,
#modal-friends-list::-webkit-scrollbar-track,
#stats-ranking-container::-webkit-scrollbar-track,
#stats-genres-container::-webkit-scrollbar-track {
    background: transparent;
}
#activities-feed-list::-webkit-scrollbar-thumb,
#modal-friends-list::-webkit-scrollbar-thumb,
#stats-ranking-container::-webkit-scrollbar-thumb,
#stats-genres-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}
#activities-feed-list::-webkit-scrollbar-thumb:hover,
#modal-friends-list::-webkit-scrollbar-thumb:hover,
#stats-ranking-container::-webkit-scrollbar-thumb:hover,
#stats-genres-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 69, 0, 0.3);
}

/* Pulse animation for the live feed indicator */
.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .4; transform: scale(1.15); }
}