/* ==========================================================================
   🌸 CSS DESIGN SYSTEM: TOKENS, VARIABLES & CURATED COLOR SCHEMES 🌸
   ========================================================================== */

:root {
    /* Layout Sizes */
    --border-radius: 20px;
    --border-radius-sm: 10px;
    --font-heading: 'Fredoka', system-ui, -apple-system, sans-serif;
    --font-body: 'Outfit', system-ui, -apple-system, sans-serif;
    --transition-speed: 0.3s;
    --transition-curve: cubic-bezier(0.4, 0, 0.2, 1);
}

/* 🎀 Theme 1: Hello Kitty Pink & Red (Default) */
.theme-pink {
    --bg-gradient: linear-gradient(135deg, #fff5f7 0%, #ffe3e8 50%, #ffd1dc 100%);
    --primary-color: #ff4f7b; /* Hello Kitty Pink */
    --primary-hover: #ff2a5b; /* Vibrant Pink-Red */
    --primary-glow: rgba(255, 79, 123, 0.3);
    --secondary-color: #ffb3c6; /* Soft Bow Pink */
    --accent-glow: #ff4f7b;
    --card-bg: rgba(255, 255, 255, 0.7); /* Brighter, cleaner white like Hello Kitty */
    --card-border: rgba(255, 255, 255, 0.85);
    --text-color: #4f1d2b; /* Dark Chocolate/Berry */
    --text-muted: #8c5364;
    --text-glow: rgba(255, 79, 123, 0.2);
    --shadow-color: rgba(255, 79, 123, 0.15);
    --soundboard-bg: #fff0f3;
    --input-bg: rgba(255, 255, 255, 0.9);
}

/* 🔮 Theme 2: Lavender Magic */
.theme-purple {
    --bg-gradient: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 50%, #fae8ff 100%);
    --primary-color: #a855f7;
    --primary-hover: #9333ea;
    --primary-glow: rgba(168, 85, 247, 0.3);
    --secondary-color: #d8b4fe;
    --accent-glow: #a855f7;
    --card-bg: rgba(255, 255, 255, 0.45);
    --card-border: rgba(255, 255, 255, 0.6);
    --text-color: #4a206b;
    --text-muted: #754f96;
    --text-glow: rgba(168, 85, 247, 0.2);
    --shadow-color: rgba(168, 85, 247, 0.15);
    --soundboard-bg: #f3e8ff;
    --input-bg: rgba(255, 255, 255, 0.6);
}

/* 🌿 Theme 3: Mint Dream */
.theme-mint {
    --bg-gradient: linear-gradient(135deg, #e6fcf5 0%, #c3fae8 50%, #e3fafc 100%);
    --primary-color: #20c997;
    --primary-hover: #12b886;
    --primary-glow: rgba(32, 201, 151, 0.3);
    --secondary-color: #96f2d7;
    --accent-glow: #20c997;
    --card-bg: rgba(255, 255, 255, 0.45);
    --card-border: rgba(255, 255, 255, 0.6);
    --text-color: #12513f;
    --text-muted: #2f7a65;
    --text-glow: rgba(32, 201, 151, 0.2);
    --shadow-color: rgba(32, 201, 151, 0.15);
    --soundboard-bg: #e6fcf5;
    --input-bg: rgba(255, 255, 255, 0.6);
}

/* 🌌 Theme 4: Cyberpunk Neon (Dark Mode Option) */
.theme-cyber {
    --bg-gradient: linear-gradient(135deg, #0b0717 0%, #150f28 50%, #030207 100%);
    --primary-color: #ff007f;
    --primary-hover: #ff3399;
    --primary-glow: rgba(255, 0, 127, 0.4);
    --secondary-color: #00f0ff;
    --accent-glow: #00f0ff;
    --card-bg: rgba(21, 15, 40, 0.65);
    --card-border: rgba(255, 0, 127, 0.25);
    --text-color: #ffffff;
    --text-muted: #a3a1b8;
    --text-glow: rgba(0, 240, 255, 0.4);
    --shadow-color: rgba(255, 0, 127, 0.3);
    --soundboard-bg: rgba(10, 5, 20, 0.8);
    --input-bg: rgba(10, 5, 20, 0.5);
}

/* ==========================================================================
   🛠️ BASE STYLES & INTERACTIVE SCROLLBARS
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    padding: 20px;
    transition: background var(--transition-speed) var(--transition-curve), 
                color var(--transition-speed) var(--transition-curve);
}

/* Floating Particles Canvas */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* App Wrapper Container */
#appContainer {
    width: 100%;
    max-width: 1200px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Custom Scrollbars inside Cards */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
    border: 2px solid transparent;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ==========================================================================
   ✨ KAWAII HEADER & SCROLLING MARQUEE
   ========================================================================== */

#appHeader {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    padding: 15px 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-shadow: 0 0 12px var(--text-glow);
}

.header-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
    gap: 15px;
}

@media (max-width: 600px) {
    .header-top-row {
        justify-content: center;
        flex-direction: column;
        gap: 10px;
    }
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-games-btn {
    font-family: var(--font-heading);
    color: var(--primary-color);
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-speed) var(--transition-curve);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.nav-games-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px var(--primary-glow);
}

.logo-icon {
    font-size: 2rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.kitty-logo-img {
    height: 38px;
    width: 38px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: white;
    padding: 2px;
    box-shadow: 0 4px 8px var(--primary-glow);
    animation: bounce 2s infinite ease-in-out;
}

#appHeader h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.2rem;
    letter-spacing: 1px;
    color: var(--primary-color);
    margin: 0;
}

.logo-tag {
    font-size: 0.95rem;
    background: var(--primary-color);
    color: white;
    padding: 4px 10px;
    border-radius: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px var(--primary-glow);
}

/* Marquee Scroller */
.marquee-container {
    width: 100%;
    background: var(--soundboard-bg);
    border-radius: 30px;
    overflow: hidden;
    padding: 6px 12px;
    border: 1px dashed var(--primary-color);
}

.marquee-content {
    display: inline-block;
    white-space: nowrap;
    animation: marquee-animation 25s linear infinite;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   💎 GLASSMORPHIC SYSTEM: CARDS & LAYOUTS
   ========================================================================== */

#dashboardMain {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 20px;
    width: 100%;
}

@media (max-width: 900px) {
    #dashboardMain {
        grid-template-columns: 1fr;
    }
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 15px 35px var(--shadow-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s var(--transition-curve), 
                box-shadow 0.4s var(--transition-curve),
                border-color var(--transition-speed);
}

.glass-card::before {
    content: "🎀";
    position: absolute;
    top: 12px;
    right: 18px;
    font-size: 1.6rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
    z-index: 10;
    pointer-events: none;
    transition: transform var(--transition-speed) var(--transition-curve);
}

.glass-card:hover::before {
    transform: rotate(-15deg) scale(1.2);
}

.glass-card:hover {
    box-shadow: 0 20px 45px var(--shadow-color);
}

/* Premium Interior Glow Effect */
.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
    transform: rotate(0deg);
    animation: slow-rotate 20s linear infinite;
}

.compact-card {
    padding: 20px;
}

.panel-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 15px;
    text-align: center;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.panel-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -10px;
    margin-bottom: 15px;
}

/* ==========================================================================
   🎵 COMPONENT: THE RADIO MUSIC PLAYER
   ========================================================================== */

#playerCard {
    align-items: center;
    justify-content: space-between;
    min-height: 550px;
}

.station-meta {
    text-align: center;
    width: 100%;
    margin-bottom: 10px;
    z-index: 2;
}

.status-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: white;
    background: #ff5252;
    padding: 4px 12px;
    border-radius: 30px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.status-badge.live {
    background: var(--primary-color);
}

.station-meta h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 4px;
    line-height: 1.2;
}

.station-meta p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Vinyl Container & Turntable Stylus Arm */
.vinyl-container {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.vinyl-outer {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: #111;
    border: 8px solid var(--text-color);
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform var(--transition-speed);
}

.vinyl-outer.playing {
    animation: spin 5s linear infinite;
}

.vinyl-grooves {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    border: 2px dashed rgba(255,255,255,0.06);
}

.vinyl-grooves::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    border-radius: 50%;
    border: 2px dashed rgba(255,255,255,0.04);
}

.vinyl-center {
    width: 95px;
    height: 95px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--primary-color);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 3;
}

#vinylMascot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Turntable Stylus Arm */
.stylus-arm {
    position: absolute;
    top: -20px;
    right: 0px;
    width: 80px;
    height: 160px;
    transform-origin: 62.5% 6.25%;
    transform: rotate(-35deg);
    transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 4;
    pointer-events: none;
}

.stylus-arm.playing {
    transform: rotate(-10deg);
}

/* ==========================================================================
   🎹 PLAYBACK CONTROLS, VOLUME SLIDER, AND VISUALIZER
   ========================================================================== */

/* Visualizer container holds bouncing bars canvas */
.visualizer-container {
    width: 100%;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

#visualizerCanvas {
    width: 100%;
    height: 100%;
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 2;
    margin-top: 10px;
    margin-bottom: 10px;
}

.ctrl-btn {
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: transform var(--transition-speed), 
                background-color var(--transition-speed), 
                box-shadow var(--transition-speed);
}

.secondary-btn {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
}

.secondary-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 15px var(--primary-glow);
}

.secondary-btn:active {
    transform: scale(0.95);
}

.main-btn {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: white;
    box-shadow: 0 10px 25px var(--primary-glow);
}

.main-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.08);
    box-shadow: 0 15px 30px var(--primary-glow);
}

.main-btn:active {
    transform: scale(0.95);
}

/* Volume Slider Styled Premium Mode */
.volume-container {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 320px;
    background: var(--input-bg);
    padding: 8px 15px;
    border-radius: 30px;
    border: 1px solid var(--card-border);
    z-index: 2;
}

.volume-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0;
    transition: color var(--transition-speed);
}

.volume-btn:hover {
    color: var(--primary-color);
}

.slider-wrapper {
    position: relative;
    flex-grow: 1;
    height: 20px;
    display: flex;
    align-items: center;
}

#volumeSlider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(0,0,0,0.06);
    border-radius: 10px;
    outline: none;
    cursor: pointer;
    position: relative;
    z-index: 2;
}

/* Chrome/Safari Slider Handle */
#volumeSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid white;
    cursor: pointer;
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
    transition: transform 0.1s;
}

#volumeSlider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

/* Firefox Slider Handle */
#volumeSlider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
    transition: transform 0.1s;
}

#volumeSlider::-moz-range-thumb:hover {
    transform: scale(1.3);
}

.slider-progress {
    position: absolute;
    left: 0;
    top: 7px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 10px;
    z-index: 1;
    pointer-events: none;
}

.volume-value {
    font-size: 0.85rem;
    font-weight: 700;
    min-width: 38px;
    text-align: right;
    color: var(--text-muted);
}

/* ==========================================================================
   👥 INTERACTIVE COMPONENTS: STATIONS, SOUNDBOARD, CHAT, CUSTOMIZER
   ========================================================================== */

#sidebarContainer {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Sub-panel: Stations Grid */
.stations-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

@media (max-width: 500px) {
    .stations-grid {
        grid-template-columns: 1fr;
    }
}

.station-btn {
    border: 1px solid var(--card-border);
    background: rgba(255,255,255,0.4);
    padding: 12px 15px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
    transition: all 0.25s var(--transition-curve);
}

.theme-cyber .station-btn {
    background: rgba(10, 5, 20, 0.4);
}

.station-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 12px var(--primary-glow);
}

.station-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 5px 15px var(--primary-glow);
}

.station-btn span.genre {
    font-size: 0.7rem;
    font-weight: 500;
    opacity: 0.85;
    text-transform: uppercase;
}

/* Sub-panel: Soundboard */
.soundboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

@media (max-width: 500px) {
    .soundboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.sound-btn {
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 10px 8px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: transform 0.15s, box-shadow 0.15s, opacity 0.2s;
}

.sound-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 12px var(--primary-glow);
}

.sound-btn:active {
    transform: scale(0.95);
}

/* Custom soundboard button pastel colors */
.sb-pink { background: #ffe3e8; color: #d6336c; border: 1px solid #ffc9db; }
.sb-purple { background: #f3e8ff; color: #862e9c; border: 1px solid #e8d2ff; }
.sb-mint { background: #e6fcf5; color: #0ca678; border: 1px solid #c3fae8; }
.sb-blue { background: #e7f5ff; color: #1c7ed6; border: 1px solid #c5e3fc; }
.sb-yellow { background: #fff9db; color: #f08c00; border: 1px solid #ffe066; }
.sb-peach { background: #fff4e6; color: #e8590c; border: 1px solid #ffd8a8; }

.theme-cyber .sb-pink { background: rgba(255, 0, 127, 0.2); color: #ff007f; border: 1px solid rgba(255, 0, 127, 0.4); }
.theme-cyber .sb-purple { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.4); }
.theme-cyber .sb-mint { background: rgba(32, 201, 151, 0.2); color: #20c997; border: 1px solid rgba(32, 201, 151, 0.4); }
.theme-cyber .sb-blue { background: rgba(0, 240, 255, 0.2); color: #00f0ff; border: 1px solid rgba(0, 240, 255, 0.4); }
.theme-cyber .sb-yellow { background: rgba(234, 179, 8, 0.2); color: #facc15; border: 1px solid rgba(234, 179, 8, 0.4); }
.theme-cyber .sb-peach { background: rgba(249, 115, 22, 0.2); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.4); }

/* Sub-panel: Live Chat Simulator */
.chat-wrapper {
    display: flex;
    flex-direction: column;
    height: 180px;
    background: var(--soundboard-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--card-border);
    overflow: hidden;
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-msg {
    font-size: 0.8rem;
    line-height: 1.4;
    word-break: break-word;
    animation: slide-up 0.3s ease-out;
}

.chat-msg span.username {
    font-weight: 700;
    margin-right: 5px;
    padding: 2px 6px;
    border-radius: 12px;
}

/* User styles */
.user-pink span.username { background: #ffccd5; color: #c92a54; }
.user-purple span.username { background: #eebffd; color: #701a99; }
.user-mint span.username { background: #b2f2bb; color: #1e5a22; }
.user-blue span.username { background: #a5d8ff; color: #18528c; }

.theme-cyber .user-pink span.username { background: rgba(255, 0, 127, 0.25); color: #ff007f; }
.theme-cyber .user-purple span.username { background: rgba(168, 85, 247, 0.25); color: #c084fc; }
.theme-cyber .user-mint span.username { background: rgba(32, 201, 151, 0.25); color: #20c997; }
.theme-cyber .user-blue span.username { background: rgba(0, 240, 255, 0.25); color: #00f0ff; }

.chat-msg span.msg-text {
    color: var(--text-color);
}

.system-msg {
    text-align: center;
    font-style: italic;
    opacity: 0.85;
}

.chat-input-area {
    display: flex;
    padding: 6px;
    background: rgba(0,0,0,0.03);
    border-top: 1px solid var(--card-border);
}

#chatInputField {
    flex-grow: 1;
    border: 1px solid var(--card-border);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 20px;
    background: var(--input-bg);
    color: var(--text-color);
}

#chatInputField::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.send-btn {
    border: none;
    outline: none;
    background: var(--primary-color);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-left: 6px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 3px 6px var(--primary-glow);
    transition: transform 0.15s, background-color 0.15s;
}

.send-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.08);
}

.send-btn:active {
    transform: scale(0.95);
}

/* Sub-panel: Aesthetic Options */
.customizer-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.opt-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
}

.theme-buttons {
    display: flex;
    gap: 6px;
}

.theme-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.theme-btn:hover {
    transform: scale(1.2);
}

.theme-btn.active {
    transform: scale(1.3);
    border-color: var(--text-color);
}

.tb-pink { background: #ff7597; }
.tb-purple { background: #a855f7; }
.tb-mint { background: #20c997; }
.tb-cyber { background: linear-gradient(45deg, #ff007f, #00f0ff); }

.toggle-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    background: rgba(0,0,0,0.05);
    padding: 3px;
    border-radius: 20px;
}

.toggle-btn {
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 15px;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    transition: background-color 0.2s, color 0.2s;
}

.toggle-btn.active {
    background: var(--primary-color);
    color: white;
}

.switch-btn {
    border: 1px solid var(--card-border);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    background: var(--input-bg);
    color: var(--text-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.2s;
}

.switch-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px var(--primary-glow);
}

/* ==========================================================================
   🌸 KAWAII FOOTER
   ========================================================================== */

#appFooter {
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 5px 20px var(--shadow-color);
}

#appFooter p span {
    color: var(--primary-color);
    font-weight: 800;
}

.footer-license {
    font-size: 0.7rem;
    opacity: 0.75;
}

/* ==========================================================================
   🎭 STUNNING DYNAMIC KEYFRAME ANIMATIONS & EFFECTS
   ========================================================================== */

@keyframes marquee-animation {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-100%, 0, 0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slow-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-5px) scale(1.05); }
}

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

.pulse-animation {
    animation: badge-pulse 1.5s infinite alternate ease-in-out;
}

@keyframes badge-pulse {
    0% { opacity: 0.8; transform: scale(1); box-shadow: 0 0 0 rgba(255, 82, 82, 0); }
    100% { opacity: 1; transform: scale(1.05); box-shadow: 0 0 10px rgba(255, 82, 82, 0.4); }
}

.pulse-hover:hover {
    animation: control-pulse 1.2s infinite ease-in-out;
}

@keyframes control-pulse {
    0% { box-shadow: 0 0 0 0 var(--primary-glow); }
    70% { box-shadow: 0 0 0 15px rgba(255, 117, 151, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 117, 151, 0); }
}

/* ==========================================================================
   📱 MOBILE & TABLET RESPONSIVENESS OVERRIDES
   ========================================================================== */

/* Tablet & Smaller Layout Enhancements */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    #appContainer {
        gap: 15px;
    }
    
    .glass-card {
        padding: 20px;
    }
    
    .compact-card {
        padding: 18px;
    }
    
    #appHeader {
        padding: 12px 20px;
        gap: 8px;
    }
    
    #appHeader h1 {
        font-size: 1.8rem;
    }
    
    .kitty-logo-img {
        height: 32px;
        width: 32px;
    }
}

/* Mobile & Small Viewport Optimization */
@media (max-width: 480px) {
    body {
        padding: 8px;
    }
    
    #appContainer {
        gap: 12px;
    }
    
    .glass-card {
        padding: 15px;
        border-radius: 16px;
    }
    
    .compact-card {
        padding: 12px;
        border-radius: 16px;
    }
    
    #appHeader {
        padding: 10px 12px;
        border-radius: 16px;
    }
    
    #appHeader h1 {
        font-size: 1.5rem;
    }
    
    .logo-icon {
        font-size: 1.6rem;
    }
    
    .logo-tag {
        font-size: 0.75rem;
        padding: 2px 8px;
    }
    
    /* Vinyl Container Scale Down */
    .vinyl-container {
        width: 190px;
        height: 190px;
        margin: 15px auto;
    }
    
    .vinyl-outer {
        width: 170px;
        height: 170px;
        border-width: 6px;
    }
    
    .vinyl-center {
        width: 75px;
        height: 75px;
        border-width: 3px;
    }
    
    .stylus-arm {
        width: 60px;
        height: 120px;
        top: -15px;
        right: -10px;
    }
    
    /* Player controls scaling */
    .player-controls {
        gap: 15px;
    }
    
    .main-btn {
        width: 65px;
        height: 65px;
    }
    
    .main-btn svg {
        width: 30px !important;
        height: 30px !important;
    }
    
    .secondary-btn {
        width: 44px;
        height: 44px;
    }
    
    .secondary-btn svg {
        width: 20px !important;
        height: 20px !important;
    }
    
    /* Volume slider layout */
    .volume-container {
        padding: 6px 12px;
        gap: 8px;
    }
    
    /* Grid layout adjustments */
    .soundboard-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .sound-btn {
        font-size: 0.75rem;
        padding: 8px 6px;
    }
    
    .stations-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .station-btn {
        padding: 10px 12px;
    }
    
    .station-btn span {
        font-size: 0.8rem;
    }
    
    /* Chat Wrapper height adjustment */
    .chat-wrapper {
        height: 160px;
    }
    
    #appFooter {
        padding: 12px;
        font-size: 0.75rem;
        border-radius: 16px;
    }
}