/* ============================================================
   कोडर्स बैठक (Coder's Baithak) - Custom CSS Design System
   ============================================================ */

:root {
    /* Color Tokens */
    --bg-dark: #05070A;
    --bg-midnight: #08111F;
    --accent-amber: #F4A261;
    --accent-emerald: #5FAF8F;
    --accent-terminal: #8AFF80;
    --text-primary: #F5F5F5;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    /* Glassmorphism Tokens */
    --glass-bg: rgba(8, 17, 31, 0.65);
    --glass-border: rgba(244, 162, 97, 0.18);
    --glass-glow: rgba(244, 162, 97, 0.08);

    /* Font Tokens */
    --font-devanagari: 'Tiro Devanagari Hindi', 'Rozha One', serif;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Reset & Box Sizing */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   1. FULLSCREEN ENTRANCE OVERLAY
   ============================================================ */
.entrance-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, rgba(8, 17, 31, 0.92) 0%, rgba(5, 7, 10, 0.98) 100%);
    backdrop-filter: blur(25px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s;
}

.entrance-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.entrance-content {
    max-width: 600px;
    padding: 2.5rem;
    position: relative;
    z-index: 2;
}

.hostel-stamp {
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--accent-emerald);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

.entrance-title {
    font-family: var(--font-devanagari);
    font-size: 4rem;
    font-weight: 700;
    color: #FFFFFF;
    text-shadow: 0 0 30px rgba(244, 162, 97, 0.3), 0 0 60px rgba(8, 17, 31, 0.8);
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.entrance-subtitle {
    font-family: var(--font-devanagari);
    font-size: 1.5rem;
    color: var(--accent-amber);
    margin-bottom: 2rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.ambient-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    letter-spacing: 1px;
}

.live-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-terminal);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-terminal);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.start-btn {
    position: relative;
    background: linear-gradient(135deg, #F4A261 0%, #E76F51 100%);
    color: #05070A;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    padding: 1.1rem 2.8rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 10px 30px rgba(244, 162, 97, 0.35);
}

.start-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 15px 40px rgba(244, 162, 97, 0.5);
}

.start-btn:active {
    transform: translateY(1px) scale(0.98);
}

.entrance-hint {
    margin-top: 1.8rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ============================================================
   2. ATMOSPHERIC BACKGROUND & CRT OVERLAYS
   ============================================================ */
.bg-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    overflow: hidden;
}

.bg-visual, .bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: filter 0.5s ease;
}

.bg-video {
    display: none; /* Displayed if HTML5 mp3/mp4 video exists */
}

#rainCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    opacity: 0.65;
}

.vignette-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, rgba(5, 7, 10, 0.82) 90%);
    pointer-events: none;
    z-index: 3;
}

.crt-scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.12),
        rgba(0, 0, 0, 0.12) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    z-index: 4;
    opacity: 0.6;
}

.film-grain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 4px 4px;
    pointer-events: none;
    z-index: 5;
    opacity: 0.4;
}

.ambient-warmth {
    position: absolute;
    bottom: 10%;
    right: 25%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(244, 162, 97, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 3;
    animation: lampFlicker 8s infinite alternate;
}

@keyframes lampFlicker {
    0% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 0.95; transform: scale(1.05); }
    100% { opacity: 0.85; transform: scale(0.98); }
}

/* ============================================================
   3. GLASSMORPHIC UTILITY
   ============================================================ */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ============================================================
   4. MAIN APPLICATION & HERO HEADER
   ============================================================ */
.main-app {
    position: relative;
    z-index: 10;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem 3rem;
    pointer-events: auto;
}

.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.brand-title {
    font-family: var(--font-devanagari);
    font-size: 2.2rem;
    font-weight: 700;
    color: #FFFFFF;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.7);
    line-height: 1.1;
}

.brand-tagline {
    font-family: var(--font-devanagari);
    font-size: 1.05rem;
    color: var(--accent-amber);
    margin-top: 0.2rem;
    font-weight: 400;
}

.header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(8, 17, 31, 0.75);
    border: 1px solid rgba(244, 162, 97, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.status-indicator {
    width: 7px;
    height: 7px;
    background-color: var(--accent-terminal);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-terminal);
    animation: pulseDot 2s infinite;
}

.coders-live-highlight {
    color: var(--accent-terminal);
    font-weight: 500;
}

.coders-live-highlight strong {
    font-weight: 700;
    color: #FFFFFF;
}

.coders-count-badge {
    color: var(--accent-terminal);
    font-weight: 600;
}

.status-divider {
    color: var(--text-muted);
}

.tech-tags {
    font-size: 0.75rem;
    color: var(--accent-emerald);
    letter-spacing: 2px;
    font-weight: 600;
    opacity: 0.9;
}

/* NOW PLAYING BAR */
.now-playing-bar {
    align-self: center;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 1.8rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-top: -0.5rem;
    border: 1px solid rgba(244, 162, 97, 0.25);
    animation: fadeInDown 0.6s ease;
}

.now-playing-label {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--accent-amber);
    font-weight: 700;
}

.hero-track {
    color: #FFFFFF;
    font-weight: 500;
}

/* ============================================================
   5. FLOATING GLASSMORPHIC AUDIO PLAYER
   ============================================================ */
.player-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.player-card {
    width: 380px;
    border-radius: 24px;
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.player-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 0 0 30px rgba(244, 162, 97, 0.12);
}

.cover-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
}

.cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.cover-wrapper:hover .cover-img {
    transform: scale(1.05);
}

.song-info {
    text-align: center;
    width: 100%;
}

.song-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-artist {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.meta-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.movie-badge {
    background: rgba(244, 162, 97, 0.15);
    color: var(--accent-amber);
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid rgba(244, 162, 97, 0.3);
    font-weight: 500;
}

.baithak-badge {
    background: rgba(95, 175, 143, 0.15);
    color: var(--accent-emerald);
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid rgba(95, 175, 143, 0.3);
    font-weight: 500;
}

/* PROGRESS SECTION */
.progress-section {
    width: 100%;
}

.time-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-family: monospace;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-amber), var(--accent-emerald));
    border-radius: 10px;
    transition: width 0.1s linear;
}

/* CONTROLS ROW */
.controls-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
}

.control-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.08);
    color: var(--accent-amber);
}

.play-btn {
    background: linear-gradient(135deg, var(--accent-amber) 0%, #E76F51 100%);
    border: none;
    color: #05070A;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 8px 20px rgba(244, 162, 97, 0.35);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(244, 162, 97, 0.5);
}

/* BOTTOM TOOLS */
.bottom-tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 0.2rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.volume-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.tool-btn:hover {
    color: var(--accent-amber);
}

.volume-slider {
    width: 70px;
    accent-color: var(--accent-amber);
    cursor: pointer;
}

.playlist-trigger-btn {
    background: rgba(244, 162, 97, 0.12);
    border: 1px solid rgba(244, 162, 97, 0.3);
    color: var(--accent-amber);
    font-family: var(--font-devanagari);
    font-size: 0.9rem;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.25s ease;
}

.playlist-trigger-btn:hover {
    background: rgba(244, 162, 97, 0.25);
    transform: translateY(-2px);
    color: #FFFFFF;
}

/* ============================================================
   6. PLAYLIST DRAWER (SLIDES FROM RIGHT)
   ============================================================ */
.playlist-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100vh;
    z-index: 500;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    border-left: 1px solid var(--glass-border);
}

.playlist-drawer.open {
    right: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-title-box {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.drawer-title-box h2 {
    font-family: var(--font-devanagari);
    font-size: 1.5rem;
    color: #FFFFFF;
}

.tea-badge {
    font-size: 1.3rem;
}

.close-drawer-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.close-drawer-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}

.drawer-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.playlist-items {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    overflow-y: auto;
    padding-right: 0.3rem;
    flex-grow: 1;
}

/* Custom Scrollbar for Drawer */
.playlist-items::-webkit-scrollbar {
    width: 4px;
}
.playlist-items::-webkit-scrollbar-thumb {
    background: rgba(244, 162, 97, 0.3);
    border-radius: 4px;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.7rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.25s ease;
}

.playlist-item:hover {
    background: rgba(244, 162, 97, 0.12);
    border-color: rgba(244, 162, 97, 0.3);
    transform: translateX(-4px);
}

.playlist-item.active {
    background: rgba(244, 162, 97, 0.2);
    border-color: var(--accent-amber);
}

.item-cover {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    object-fit: cover;
}

.item-info {
    flex-grow: 1;
    overflow: hidden;
}

.item-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: #FFFFFF;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-artist {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-movie {
    font-size: 0.7rem;
    color: var(--accent-emerald);
    margin-top: 0.1rem;
}

/* ============================================================
   7. FOOTER & TOAST BANNER
   ============================================================ */
.baithak-footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    opacity: 0.7;
}

.toast-banner {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1200;
    background: rgba(8, 17, 31, 0.92);
    border: 1px solid var(--accent-amber);
    color: var(--text-primary);
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast-banner.hidden {
    opacity: 0;
    transform: translate(-50%, 20px);
    pointer-events: none;
}

/* ============================================================
   8. RESPONSIVE DESIGN (MOBILE & TABLETS)
   ============================================================ */
@media (max-width: 768px) {
    .main-app {
        padding: 1.2rem 1rem;
    }

    .entrance-title {
        font-size: 2.8rem;
    }

    .entrance-subtitle {
        font-size: 1.1rem;
    }

    .brand-title {
        font-size: 1.6rem;
    }

    .brand-tagline {
        font-size: 0.9rem;
    }

    .status-pill {
        font-size: 0.75rem;
        padding: 0.3rem 0.7rem;
    }

    .tech-tags {
        display: none;
    }

    .now-playing-bar {
        font-size: 0.8rem;
        padding: 0.4rem 1.2rem;
    }

    .player-card {
        width: 100%;
        max-width: 340px;
        padding: 1.4rem;
    }

    .cover-wrapper {
        width: 140px;
        height: 140px;
    }

    .playlist-drawer {
        width: 100vw;
        right: -100vw;
    }
}