:root {
    /* Neon rave colors */
    --neon-pink: #ff006e;
    --neon-blue: #00f5ff;
    --neon-purple: #b400ff;
    --neon-green: #00ff41;
    --neon-yellow: #ffff00;
    --neon-orange: #ff6b00;
    
    /* Dark backgrounds */
    --rave-dark: #0a0a0a;
    --rave-medium: #1a0d1a;
    --rave-light: #2d1b2d;
    
    /* Text colors */
    --text-neon: #ffffff;
    --text-glow: #e0e0e0;
}

body {
    background: radial-gradient(ellipse at center, var(--rave-dark) 0%, #000000 100%);
    color: var(--text-neon);
    font-family: 'Orbitron', monospace;
}

/* Adicionar variáveis góticas para o modo escuro */
body.dark-mode {
    --rave-dark: #0a0a0a;
    --rave-medium: #1a0a1a;
    --rave-light: #2d0a2d;
    
    /* Cores góticas */
    --gothic-black: #000000;
    --gothic-burgundy: #800020;
    --gothic-purple: #2a0047;
    --gothic-red: #8b0000;
    --gothic-gray: #1a1a1a;
    
    /* Neon gótico */
    --neon-purple: #6a0dad;
    --neon-red: #dc143c;
    --neon-burgundy: #800020;
    
    /* Texto gótico */
    --text-neon: #e0e0e0;
    --text-glow: #c0c0c0;
}

/* Estilo gótico para o header no modo escuro */
body.dark-mode .header {
    background: linear-gradient(135deg, var(--gothic-black), var(--gothic-burgundy));
    border-bottom: 2px solid var(--neon-red);
    box-shadow: 0 0 20px var(--neon-red), inset 0 0 20px rgba(139, 0, 0, 0.2);
}

/* Logo gótica */
body.dark-mode .logo h1 {
    background: linear-gradient(45deg, var(--neon-red), var(--neon-burgundy), var(--gothic-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 40px var(--neon-red), 0 0 60px var(--neon-burgundy);
}

/* Botões góticos */
body.dark-mode .btn-primary {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    box-shadow: 0 0 20px var(--gothic-burgundy), inset 0 0 20px rgba(128, 0, 32, 0.3);
}

body.dark-mode .btn-primary::before {
    background: linear-gradient(45deg, transparent, rgba(220, 20, 60, 0.4), transparent);
}

/* Sidebar gótica */
body.dark-mode .sidebar {
    background: linear-gradient(180deg, var(--gothic-black), var(--gothic-burgundy));
    border-right: 2px solid var(--neon-red);
    box-shadow: 5px 0 20px var(--neon-red), inset 5px 0 30px rgba(139, 0, 0, 0.3);
}

body.dark-mode .sidebar::before {
    background: linear-gradient(180deg, var(--neon-red), var(--gothic-burgundy), var(--neon-purple));
}

/* Navegação gótica */
body.dark-mode .nav-item {
    color: var(--text-glow);
    text-shadow: 0 0 8px rgba(220, 20, 60, 0.8);
}

body.dark-mode .nav-item:hover {
    background: rgba(139, 0, 0, 0.3);
    box-shadow: 0 0 12px var(--neon-red);
}

body.dark-mode .nav-item.active {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    box-shadow: 0 0 15px var(--gothic-burgundy), inset 0 0 10px rgba(220, 20, 60, 0.4);
    animation: gothicGlow 1.5s ease-in-out infinite alternate;
}

@keyframes gothicGlow {
    from { 
        box-shadow: 0 0 15px var(--gothic-burgundy); 
    }
    to { 
        box-shadow: 0 0 25px var(--neon-red), 0 0 35px var(--gothic-burgundy); 
    }
}

/* Cards góticos */
body.dark-mode .stat-card {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 2px solid var(--neon-red);
    box-shadow: 0 0 20px var(--neon-red), inset 0 0 20px rgba(139, 0, 0, 0.2);
}

body.dark-mode .stat-card:hover {
    border-color: var(--neon-burgundy);
    box-shadow: 0 0 30px var(--neon-burgundy);
}

/* Now Playing gótico */
body.dark-mode .now-playing {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 2px solid var(--neon-purple);
    box-shadow: 0 0 30px var(--neon-purple), inset 0 0 30px rgba(106, 13, 173, 0.2);
}

body.dark-mode .progress {
    background: linear-gradient(90deg, var(--neon-red), var(--gothic-burgundy), var(--neon-purple));
    box-shadow: 0 0 10px var(--neon-red);
}

/* Upload area gótica */
body.dark-mode .upload-area {
    border: 2px dashed var(--neon-red);
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.1), transparent);
    box-shadow: 0 0 20px var(--neon-red), inset 0 0 20px rgba(139, 0, 0, 0.1);
}

body.dark-mode .upload-area:hover {
    border-color: var(--neon-burgundy);
    box-shadow: 0 0 30px var(--neon-burgundy);
}

/* Media items góticos */
body.dark-mode .media-item {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 1px solid var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red);
}

body.dark-mode .media-item:hover {
    border-color: var(--neon-burgundy);
}

/* Playlist cards góticos */
body.dark-mode .playlist-card {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 2px solid var(--neon-purple);
    box-shadow: 0 0 15px var(--neon-purple);
}

body.dark-mode .playlist-card::before {
    background: linear-gradient(45deg, transparent 30%, rgba(106, 13, 173, 0.2) 50%, transparent 70%);
}

body.dark-mode .playlist-option {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 1px solid var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red);
}

body.dark-mode .playlist-option.create-new {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    box-shadow: 0 0 15px var(--gothic-burgundy);
}

/* Calendar gótico */
body.dark-mode .calendar-day {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 1px solid var(--neon-red);
    box-shadow: 0 0 5px var(--neon-red);
}

body.dark-mode .calendar-day.has-event {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    box-shadow: 0 0 15px var(--neon-red);
}

/* Formulários góticos */
body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy)) !important;
    border: 1px solid var(--neon-red) !important;
    color: var(--text-neon) !important;
    box-shadow: 0 0 10px var(--neon-red), inset 0 0 10px rgba(139, 0, 0, 0.1);
}

body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus {
    border-color: var(--neon-burgundy) !important;
    box-shadow: 0 0 20px var(--neon-burgundy), inset 0 0 20px rgba(128, 0, 32, 0.2);
}

/* Volume controls góticos */
body.dark-mode .volume-controls {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.1), rgba(106, 13, 173, 0.05));
    border-color: var(--neon-red);
    box-shadow: inset 0 0 20px rgba(139, 0, 0, 0.1);
}

body.dark-mode .volume-item {
    background: rgba(26, 26, 26, 0.5);
    border-color: rgba(139, 0, 0, 0.3);
}

body.dark-mode .volume-item:hover {
    background: rgba(139, 0, 0, 0.2);
    border-color: var(--neon-red);
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.5);
}

body.dark-mode .volume-slider {
    background: linear-gradient(90deg, var(--gothic-black), var(--neon-red));
}

body.dark-mode .volume-slider::-webkit-slider-thumb {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    box-shadow: 0 0 10px var(--neon-red), 0 0 20px rgba(139, 0, 0, 0.7);
}

body.dark-mode .volume-slider::-moz-range-thumb {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    border-color: var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red), 0 0 20px rgba(139, 0, 0, 0.7);
}

body.dark-mode .volume-value {
    color: var(--neon-red);
    text-shadow: 0 0 5px var(--neon-red);
}

/* Dark mode scrollbar adjustments */
body.dark-mode ::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #000000, var(--gothic-burgundy));
    box-shadow: inset 0 0 10px rgba(139, 0, 0, 0.3);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-red), var(--gothic-burgundy), var(--neon-purple));
    border-color: #000000;
    box-shadow: 0 0 15px var(--neon-red), inset 0 0 5px rgba(220, 20, 60, 0.3);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gothic-burgundy), var(--neon-red), var(--gothic-purple));
    box-shadow: 0 0 20px var(--gothic-burgundy), inset 0 0 8px rgba(128, 0, 32, 0.4);
}

/* Notificação gótica */
body.dark-mode .notification {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    border-color: var(--neon-red);
    box-shadow: 0 0 20px var(--neon-red);
}

/* Chart container gótico */
body.dark-mode .chart-container {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 2px solid var(--neon-red);
    box-shadow: 0 0 40px var(--neon-red), inset 0 0 40px rgba(139, 0, 0, 0.2);
}

body.dark-mode #listenersChart {
    background: rgba(0, 0, 0, 0.5);
    border-color: var(--neon-red);
    box-shadow: inset 0 0 20px rgba(139, 0, 0, 0.3);
}

body.dark-mode .close-chart {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    box-shadow: 0 0 15px var(--neon-red);
}

body.dark-mode .close-chart:hover {
    box-shadow: 0 0 25px var(--neon-red);
}

/* Popup gótico */
body.dark-mode .playlist-popup {
    background: linear-gradient(135deg, var(--gothic-gray), var(--gothic-burgundy));
    border: 2px solid var(--neon-red);
    box-shadow: 0 0 40px var(--neon-red), inset 0 0 40px rgba(139, 0, 0, 0.2);
}

body.dark-mode .close-btn {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    box-shadow: 0 0 10px var(--neon-red);
}

body.dark-mode .close-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--neon-red);
}

body.dark-mode .playlist-option:hover {
    border-color: var(--neon-red);
    box-shadow: 0 0 15px var(--neon-red);
}

body.dark-mode .playlist-option.create-new {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    box-shadow: 0 0 15px var(--gothic-burgundy);
}

/* Animação gótica para bordas */
@keyframes gothicBorder {
    from { 
        box-shadow: 0 0 10px var(--neon-red);
        opacity: 0.8;
    }
    to { 
        box-shadow: 0 0 20px var(--neon-red), 0 0 30px var(--gothic-burgundy), 0 0 40px var(--neon-purple);
        opacity: 1;
    }
}

body.dark-mode .sidebar::before {
    animation: gothicBorder 3s ease-in-out infinite alternate;
}

/* Estilo gótico para o botão de dark mode */
body.dark-mode #darkModeToggle {
    background: linear-gradient(45deg, var(--gothic-burgundy), var(--neon-red));
    box-shadow: 0 0 15px var(--gothic-burgundy);
}

body.dark-mode #darkModeToggle:hover {
    background: linear-gradient(45deg, var(--neon-red), var(--gothic-burgundy));
    box-shadow: 0 0 20px var(--neon-red);
}

body.dark-mode #darkModeToggle i {
    color: var(--text-neon);
    text-shadow: 0 0 10px var(--neon-red);
}

.header {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border-bottom: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px rgba(255, 0, 110, 0.1);
}

.logo h1 {
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--neon-pink);
    animation: neonPulse 2s ease-in-out infinite alternate;
}

@keyframes neonPulse {
    from { filter: brightness(1); }
    to { filter: brightness(1.3); }
}

.btn-primary {
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.nav-item.active {
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-green));
    box-shadow: 0 0 15px var(--neon-blue);
    animation: neonGlow 1.5s ease-in-out infinite alternate;
}

@keyframes neonGlow {
    from { box-shadow: 0 0 15px var(--neon-blue); }
    to { box-shadow: 0 0 25px var(--neon-blue), 0 0 35px var(--neon-green); }
}

.stat-card {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 2px solid var(--neon-purple);
    box-shadow: 0 0 20px var(--neon-purple), inset 0 0 20px rgba(180, 0, 255, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stat-card:active {
    transform: scale(0.95);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: swipe 3s infinite;
}

@keyframes swipe {
    0% { left: -100%; }
    100% { left: 100%; }
}

.now-playing {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 30px var(--neon-green), inset 0 0 30px rgba(0, 255, 65, 0.1);
}

.progress {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-yellow), var(--neon-green));
    box-shadow: 0 0 10px var(--neon-pink);
}

.upload-area {
    border: 2px dashed var(--neon-blue);
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), transparent);
    box-shadow: 0 0 20px var(--neon-blue), inset 0 0 20px rgba(0, 245, 255, 0.1);
}

.upload-area:hover {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 30px var(--neon-yellow);
}

.media-item {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 1px solid var(--neon-orange);
    box-shadow: 0 0 10px var(--neon-orange);
}

.playlist-card {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
    position: relative;
    overflow: hidden;
}

.playlist-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 245, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.playlist-option {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 1px solid var(--neon-purple);
    box-shadow: 0 0 10px var(--neon-purple);
}

.playlist-option.create-new {
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    box-shadow: 0 0 15px var(--neon-green);
}

.calendar-day {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 1px solid var(--neon-purple);
    box-shadow: 0 0 5px var(--neon-purple);
}

.calendar-day.has-event {
    background: linear-gradient(45deg, var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 15px var(--neon-yellow);
}

.sidebar {
    width: 250px;
    background: linear-gradient(180deg, var(--rave-medium), var(--rave-dark));
    border-right: 2px solid var(--neon-pink);
    box-shadow: 5px 0 20px var(--neon-pink), inset 5px 0 20px rgba(255, 0, 110, 0.1);
    position: relative;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--rave-dark);
}

.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: linear-gradient(180deg, var(--rave-dark), var(--rave-medium));
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple));
    border-radius: 4px;
    box-shadow: 0 0 10px var(--neon-pink), inset 0 0 5px rgba(255, 255, 255, 0.2);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 15px var(--neon-yellow);
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    right: -2px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    animation: neonBorder 3s ease-in-out infinite alternate;
}

@keyframes neonBorder {
    from { 
        box-shadow: 0 0 10px var(--neon-pink);
        opacity: 0.8;
    }
    to { 
        box-shadow: 0 0 20px var(--neon-pink), 0 0 30px var(--neon-purple), 0 0 40px var(--neon-blue);
        opacity: 1;
    }
}

.content-area {
    background: radial-gradient(ellipse at top, var(--rave-medium), var(--rave-dark));
}

.nav-item {
    color: var(--text-glow);
    text-shadow: 0 0 5px currentColor;
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 110, 0.3), transparent);
    transition: left 0.5s ease;
}

.nav-item:hover::before {
    left: 100%;
}

.nav-item:hover {
    background: rgba(255, 0, 110, 0.2);
    box-shadow: 0 0 10px var(--neon-pink);
}

input, select, textarea {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark)) !important;
    border: 1px solid var(--neon-blue) !important;
    color: var(--text-neon) !important;
    box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px rgba(0, 245, 255, 0.1);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--neon-pink) !important;
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px rgba(255, 0, 110, 0.2);
}

.burger-menu {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.burger-menu:hover {
    background: rgba(0, 245, 255, 0.2);
    box-shadow: 0 0 15px var(--neon-blue);
}

/* Add techno/rave font */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

body {
    font-family: 'Orbitron', monospace;
    background: radial-gradient(ellipse at center, var(--rave-dark) 0%, #000000 100%);
    color: var(--text-neon);
    overflow-x: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border-bottom: 2px solid var(--neon-pink);
    backdrop-filter: blur(10px);
    position: relative;
}

.header-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    color: var(--neon-blue);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px var(--neon-blue);
}

.burger-menu:hover {
    background: rgba(0, 245, 255, 0.2);
    box-shadow: 0 0 15px var(--neon-blue);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 2rem;
    color: var(--neon-pink);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--neon-pink);
    animation: neonPulse 2s ease-in-out infinite alternate;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    color: white;
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 0, 110, 0.3);
}

.btn-secondary {
    background: var(--rave-light);
    color: var(--text-neon);
}

.btn-secondary:hover {
    background: #475569;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    margin: 0.25rem 0;
    background: none;
    border: none;
    color: var(--text-glow);
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px currentColor;
}

.nav-item:hover {
    background: rgba(255, 0, 110, 0.2);
    box-shadow: 0 0 10px var(--neon-pink);
}

.nav-item.active {
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-green));
    box-shadow: 0 0 15px var(--neon-blue), inset 0 0 10px rgba(0, 245, 255, 0.2);
    animation: neonGlow 1.5s ease-in-out infinite alternate;
}

@keyframes neonGlow {
    from { box-shadow: 0 0 15px var(--neon-blue); }
    to { box-shadow: 0 0 25px var(--neon-blue), 0 0 35px var(--neon-green); }
}

.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: radial-gradient(ellipse at top, var(--rave-medium), var(--rave-dark));
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 2px solid var(--neon-purple);
    box-shadow: 0 0 20px var(--neon-purple), inset 0 0 20px rgba(180, 0, 255, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stat-card:active {
    transform: scale(0.95);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: swipe 3s infinite;
}

@keyframes swipe {
    0% { left: -100%; }
    100% { left: 100%; }
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-pink);
    box-shadow: 0 0 30px var(--neon-pink);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--neon-pink);
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-glow);
}

.now-playing {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 30px var(--neon-green), inset 0 0 30px rgba(0, 255, 65, 0.1);
}

.now-playing h3 {
    margin-bottom: 1.5rem;
}

.now-playing-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
}

.track-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--rave-light);
    border-radius: 3px;
    overflow: hidden;
    margin: 0.75rem 0;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-yellow), var(--neon-green));
    width: 0%;
    transition: width 1s linear;
    box-shadow: 0 0 10px var(--neon-pink);
}

.upload-area {
    border: 2px dashed var(--neon-blue);
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), transparent);
    box-shadow: 0 0 20px var(--neon-blue), inset 0 0 20px rgba(0, 245, 255, 0.1);
}

.upload-area:hover {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 30px var(--neon-yellow);
}

.upload-area i {
    font-size: 3rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.media-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.media-controls input,
.media-controls select {
    flex: 1;
    padding: 0.75rem;
    background: var(--rave-medium);
    border: 1px solid var(--neon-blue);
    border-radius: 0.5rem;
    color: var(--text-neon);
    box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px rgba(0, 245, 255, 0.1);
}

.media-controls input:focus,
.media-controls select:focus {
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px rgba(255, 0, 110, 0.2);
}

.media-list {
    display: grid;
    gap: 1rem;
}

.media-item {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--neon-orange);
    box-shadow: 0 0 10px var(--neon-orange);
}

.media-item:hover {
    border-color: var(--neon-pink);
}

.media-item img {
    width: 50px;
    height: 50px;
    border-radius: 0.5rem;
}

.media-info {
    flex: 1;
}

.media-info h4 {
    margin-bottom: 0.25rem;
}

.media-info p {
    color: var(--text-glow);
    font-size: 0.875rem;
}

.media-actions {
    display: flex;
    gap: 0.5rem;
}

.media-actions button {
    padding: 0.5rem;
    background: var(--rave-light);
    border: none;
    border-radius: 0.25rem;
    color: var(--text-neon);
    cursor: pointer;
}

.playlists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.playlist-card {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
    position: relative;
    overflow: hidden;
}

.playlist-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 245, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.playlist-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-pink);
}

.playlist-card i {
    font-size: 3rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.playlist-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.playlist-actions button {
    padding: 0.5rem;
    background: var(--rave-light);
    border: none;
    border-radius: 0.25rem;
    color: var(--text-neon);
    cursor: pointer;
    transition: all 0.3s ease;
}

.playlist-actions button:hover {
    background: var(--neon-pink);
    transform: translateY(-2px);
}

.playlist-actions button.delete {
    background: var(--danger-color);
}

.playlist-actions button.delete:hover {
    background: #dc2626;
}

.no-playlists-message {
    text-align: center;
    color: var(--text-glow);
    margin-top: 2rem;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-glow);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background: var(--rave-medium);
    border: 1px solid var(--neon-blue);
    border-radius: 0.5rem;
    color: var(--text-neon);
    box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px rgba(0, 245, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.schedule-calendar {
    background: var(--rave-medium);
    padding: 2rem;
    border-radius: 1rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--rave-light);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 1px solid var(--neon-purple);
    box-shadow: 0 0 5px var(--neon-purple);
}

.calendar-day:hover {
    background: var(--neon-pink);
}

.calendar-day.has-event {
    background: linear-gradient(45deg, var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 15px var(--neon-yellow);
}

.playlist-tracks-list {
    margin: 1rem 0;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.5rem;
    border: 1px solid var(--neon-purple);
    max-height: 150px;
    overflow-y: auto;
}

.playlist-track-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    position: relative;
}

.playlist-track-item:last-child {
    border-bottom: none;
}

.playlist-track-item .track-name {
    color: var(--text-glow);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    margin-right: 0.5rem;
}

.playlist-track-item .track-duration {
    color: var(--neon-green);
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-right: 1.5rem;
}

.delete-track-btn {
    background: rgba(255, 0, 110, 0.3);
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.delete-track-btn:hover {
    background: var(--neon-pink);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--neon-pink);
}

.playlist-track-item.more-tracks {
    justify-content: center;
    color: var(--neon-blue);
    font-style: italic;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 0.25rem;
    padding-top: 0.75rem;
}

.empty-playlist {
    color: var(--text-glow);
    font-style: italic;
    font-size: 0.875rem;
    margin: 1rem 0;
    text-align: center;
}

/* Scrollbar styling for playlist tracks */
.playlist-tracks-list::-webkit-scrollbar {
    width: 6px;
}

.playlist-tracks-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.playlist-tracks-list::-webkit-scrollbar-thumb {
    background: var(--neon-purple);
    border-radius: 3px;
}

.playlist-tracks-list::-webkit-scrollbar-thumb:hover {
    background: var(--neon-pink);
}

/* Mobile adjustments for playlist tracks */
@media (max-width: 768px) {
    .playlist-tracks-list {
        margin: 0.75rem 0;
        padding: 0.5rem;
        max-height: 120px;
    }
    
    .playlist-track-item {
        padding: 0.4rem 0;
        font-size: 0.8rem;
    }
    
    .playlist-track-item .track-duration {
        font-size: 0.7rem;
    }
    
    .delete-track-btn {
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .playlist-tracks-list {
        max-height: 100px;
        font-size: 0.75rem;
    }
    
    .playlist-track-item {
        padding: 0.3rem 0;
    }
    
    .delete-track-btn {
        width: 18px;
        height: 18px;
        font-size: 0.65rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .header-controls {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .burger-menu {
        display: block !important;
        order: 3;
        margin-left: auto;
    }
    
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0.95;
        backdrop-filter: blur(10px);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .content-area {
        padding: 1rem;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .stat-card i {
        font-size: 2rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .now-playing-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .now-playing-card img {
        width: 120px;
        height: 120px;
    }
    
    .track-info h4 {
        font-size: 1.25rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
        margin: 1rem 0;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area p {
        font-size: 0.875rem;
    }
    
    .media-controls {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .media-item {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .media-item img {
        width: 80px;
        height: 80px;
    }
    
    .media-actions {
        justify-content: center;
    }
    
    .playlists-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .playlist-card {
        padding: 1.25rem;
    }
    
    .playlist-card i {
        font-size: 2.5rem;
    }
    
    .playlists-controls {
        display: flex;
        gap: 1rem;
        margin-bottom: 2rem;
        align-items: center;
    }
    
    .search-input {
        flex: 1;
        padding: 0.75rem;
        background: var(--rave-medium);
        border: 1px solid var(--neon-blue);
        border-radius: 0.5rem;
        color: var(--text-neon);
        box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px rgba(0, 245, 255, 0.1);
    }
    
    .nav-menu {
        padding: 0.75rem;
    }
    
    .nav-item {
        padding: 0.75rem;
        margin: 0.125rem 0;
        font-size: 0.875rem;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .header {
        padding: 0.5rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }
    
    .logo h1 {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .content-area {
        padding: 0.75rem;
    }
    
    .stats-grid {
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 0.75rem;
    }
    
    .stat-card i {
        font-size: 1.5rem;
    }
    
    .stat-info h3 {
        font-size: 1.25rem;
    }
    
    .now-playing-card img {
        width: 100px;
        height: 100px;
    }
    
    .track-info h4 {
        font-size: 1.1rem;
    }
    
    .upload-area {
        padding: 1.5rem 0.75rem;
    }
    
    .upload-area i {
        font-size: 2rem;
    }
    
    .media-item img {
        width: 60px;
        height: 60px;
    }
    
    .playlist-card {
        padding: 1rem;
    }
    
    .playlist-card i {
        font-size: 2rem;
    }
    
    .calendar-day {
        min-height: 35px;
        font-size: 0.75rem;
    }
    
    .playlist-popup {
        padding: 1.25rem;
    }
    
    .nav-item {
        padding: 0.6rem;
        font-size: 0.8rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-item,
    .media-actions button,
    .playlist-actions button,
    .calendar-day,
    .playlist-option {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .upload-area {
        min-height: 120px;
    }
    
    .stat-card {
        padding: 1.25rem;
    }
    
    .now-playing-card img {
        width: 110px;
        height: 110px;
    }
}

/* Landscape mobile adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 0.5rem;
    }
    
    .logo h1 {
        font-size: 0.9rem;
    }
    
    .content-area {
        padding: 0.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .stat-card {
        padding: 0.75rem;
        flex-direction: row;
    }
    
    .stat-card i {
        font-size: 1.5rem;
    }
    
    .now-playing-card {
        flex-direction: row;
        gap: 0.75rem;
    }
    
    .now-playing-card img {
        width: 80px;
        height: 80px;
    }
    
    .upload-area {
        padding: 1rem;
        min-height: 100px;
    }
    
    .media-item {
        flex-direction: row;
        padding: 0.75rem;
    }
    
    .media-item img {
        width: 50px;
        height: 50px;
    }
    
    .playlist-card {
        padding: 0.75rem;
    }
    
    .nav-item {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
}

.time-display {
    display: flex;
    justify-content: space-between;
    margin: 0.5rem 0;
    font-size: 0.75rem;
    color: var(--text-glow);
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--neon-blue);
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    color: var(--neon-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--neon-blue);
}

.control-btn:hover {
    transform: scale(1.1);
    background: var(--neon-blue);
    color: var(--rave-dark);
    box-shadow: 0 0 20px var(--neon-blue);
}

.control-btn.play-pause {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    border-color: var(--neon-pink);
    color: white;
    box-shadow: 0 0 15px var(--neon-pink);
}

.control-btn.play-pause:hover {
    background: var(--neon-pink);
    box-shadow: 0 0 25px var(--neon-pink);
}

.control-btn:last-child {
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    border-color: var(--neon-blue);
    color: white;
    box-shadow: 0 0 15px var(--neon-blue);
}

.control-btn:hover:last-child {
    background: var(--neon-blue);
    box-shadow: 0 0 25px var(--neon-blue);
}

#progressBarContainer {
    cursor: pointer;
    margin: 0.75rem 0;
}

#progressBarContainer:hover .progress {
    box-shadow: 0 0 15px var(--neon-pink);
}

.now-playing-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
}

.track-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--rave-light);
    border-radius: 3px;
    overflow: hidden;
    margin: 0.75rem 0;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-yellow), var(--neon-green));
    width: 0%;
    transition: width 1s linear;
    box-shadow: 0 0 10px var(--neon-pink);
}

/* Mobile adjustments for player controls */
@media (max-width: 768px) {
    .control-btn {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }
    
    .control-btn.play-pause {
        width: 44px;
        height: 44px;
    }
    
    .player-controls {
        gap: 0.75rem;
        margin-top: 0.75rem;
    }
    
    .time-display {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .control-btn {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
    
    .control-btn.play-pause {
        width: 40px;
        height: 40px;
    }
    
    .player-controls {
        gap: 0.5rem;
    }
}

/* Mobile adjustments for enhanced sidebar */
@media (max-width: 768px) {
    .sidebar {
        scrollbar-width: none;
        width: 280px;
    }
    
    .sidebar::-webkit-scrollbar {
        display: none;
    }
    
    .sidebar::before {
        right: -1px;
        width: 1px;
    }
    
    .volume-controls {
        margin: 0.75rem 0.25rem;
        padding: 0.5rem;
    }
    
    .volume-item {
        padding: 0.6rem 0.25rem;
    }
    
    .nav-menu {
        padding: 0.75rem 0.5rem;
    }
    
    .nav-item {
        padding: 0.75rem 0.5rem;
        margin: 0.125rem 0;
    }
}

/* Ultra-small mobile adjustments */
@media (max-width: 480px) {
    .sidebar {
        width: 260px;
    }
    
    .volume-controls {
        margin: 0.5rem 0.125rem;
        padding: 0.4rem;
    }
    
    .volume-item {
        padding: 0.5rem 0.125rem;
        gap: 0.3rem;
    }
    
    .nav-menu {
        padding: 0.5rem 0.25rem;
    }
    
    .nav-item {
        padding: 0.6rem 0.25rem;
        margin: 0.1rem 0;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .sidebar::-webkit-scrollbar {
        width: 6px;
    }
    
    .sidebar::before {
        width: 1px;
    }
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(180deg, var(--rave-dark), var(--rave-medium));
    border-radius: 6px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    border-radius: 6px;
    border: 2px solid var(--rave-dark);
    box-shadow: 0 0 15px var(--neon-pink), inset 0 0 5px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-yellow), var(--neon-orange), var(--neon-green));
    box-shadow: 0 0 20px var(--neon-yellow), inset 0 0 8px rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-corner {
    background: var(--rave-dark);
}

/* Custom scrollbar for Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--rave-dark);
}

/* Enhanced scrollbar for specific elements */
.sidebar::-webkit-scrollbar,
.playlist-popup .popup-content::-webkit-scrollbar,
.chart-container::-webkit-scrollbar,
.playlist-tracks-list::-webkit-scrollbar,
.media-list::-webkit-scrollbar,
.playlists-grid::-webkit-scrollbar {
    width: 10px;
}

.sidebar::-webkit-scrollbar-thumb,
.playlist-popup .popup-content::-webkit-scrollbar-thumb,
.chart-container::-webkit-scrollbar-thumb,
.playlist-tracks-list::-webkit-scrollbar-thumb,
.media-list::-webkit-scrollbar-thumb,
.playlists-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
    border-radius: 5px;
    border: 1px solid var(--rave-dark);
    box-shadow: 0 0 10px var(--neon-blue), inset 0 0 3px rgba(255, 255, 255, 0.2);
}

.sidebar::-webkit-scrollbar-thumb:hover,
.playlist-popup .popup-content::-webkit-scrollbar-thumb:hover,
.chart-container::-webkit-scrollbar-thumb:hover,
.playlist-tracks-list::-webkit-scrollbar-thumb:hover,
.media-list::-webkit-scrollbar-thumb:hover,
.playlists-grid::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-green), var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 15px var(--neon-green), inset 0 0 5px rgba(255, 255, 255, 0.3);
}

/* Mobile adjustments for scrollbars */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    
    .sidebar::-webkit-scrollbar,
    .playlist-popup .popup-content::-webkit-scrollbar,
    .chart-container::-webkit-scrollbar,
    .playlist-tracks-list::-webkit-scrollbar,
    .media-list::-webkit-scrollbar,
    .playlists-grid::-webkit-scrollbar {
        width: 6px;
    }
}

@media (max-width: 480px) {
    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }
    
    .sidebar::-webkit-scrollbar,
    .playlist-popup .popup-content::-webkit-scrollbar,
    .chart-container::-webkit-scrollbar,
    .playlist-tracks-list::-webkit-scrollbar,
    .media-list::-webkit-scrollbar,
    .playlists-grid::-webkit-scrollbar {
        width: 4px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    ::-webkit-scrollbar {
        width: 10px;
        height: 10px;
    }
    
    ::-webkit-scrollbar-thumb {
        border-width: 1px;
    }
}

/* Dark mode scrollbar adjustments */
body.dark-mode ::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #000000, var(--gothic-burgundy));
    box-shadow: inset 0 0 10px rgba(139, 0, 0, 0.3);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-red), var(--gothic-burgundy), var(--neon-purple));
    border-color: #000000;
    box-shadow: 0 0 15px var(--neon-red), inset 0 0 5px rgba(220, 20, 60, 0.3);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gothic-burgundy), var(--neon-red), var(--gothic-purple));
    box-shadow: 0 0 20px var(--gothic-burgundy), inset 0 0 8px rgba(128, 0, 32, 0.4);
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    ::-webkit-scrollbar {
        width: 14px;
        height: 14px;
    }
    
    ::-webkit-scrollbar-thumb {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Scrollbar animations */
@keyframes scrollbarGlow {
    0% { box-shadow: 0 0 10px var(--neon-pink); }
    50% { box-shadow: 0 0 20px var(--neon-yellow), 0 0 30px var(--neon-orange); }
    100% { box-shadow: 0 0 10px var(--neon-pink); }
}

::-webkit-scrollbar-thumb:active {
    animation: scrollbarGlow 1s ease-in-out infinite;
}

/* Custom scrollbar for Firefox */
@supports (-moz-appearance: none) {
    .sidebar {
        scrollbar-width: thin;
        scrollbar-color: var(--neon-pink) var(--rave-dark);
    }
}

/* Dark mode adjustments */
body.dark-mode .sidebar {
    background: linear-gradient(180deg, var(--gothic-burgundy), var(--gothic-burgundy));
    box-shadow: 5px 0 20px var(--neon-red), inset 5px 0 30px rgba(139, 0, 0, 0.3);
}

body.dark-mode .volume-controls {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.1), rgba(106, 13, 173, 0.05));
    border-color: var(--neon-red);
    box-shadow: inset 0 0 20px rgba(139, 0, 0, 0.1);
}

body.dark-mode .nav-item:hover {
    background: rgba(139, 0, 0, 0.15);
    box-shadow: 0 0 12px var(--neon-red);
}

/* Scrollbar personalizada para a lista de seleção */
.playlist-popup > div {
    scrollbar-width: thin;
    scrollbar-color: var(--neon-purple) var(--rave-dark);
}

.playlist-popup > div::-webkit-scrollbar {
    width: 8px;
}

.playlist-popup > div::-webkit-scrollbar-track {
    background: var(--rave-dark);
    border-radius: 4px;
}

.playlist-popup > div::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-purple), var(--neon-pink));
    border-radius: 4px;
    box-shadow: 0 0 5px var(--neon-purple);
}

.chart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.chart-container {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 2px solid var(--neon-pink);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 0 40px var(--neon-pink), inset 0 0 40px rgba(255, 0, 110, 0.1);
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--rave-dark);
}

.chart-container::-webkit-scrollbar {
    width: 8px;
}

.chart-container::-webkit-scrollbar-track {
    background: var(--rave-dark);
    border-radius: 4px;
}

.chart-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple));
    border-radius: 4px;
    box-shadow: 0 0 5px var(--neon-pink);
}

.chart-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 8px var(--neon-yellow);
}

#listenersChart {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.5rem;
    border: 1px solid var(--neon-blue);
    box-shadow: inset 0 0 20px rgba(0, 245, 255, 0.1);
    max-width: 100%;
    height: auto;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-header h3 {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.close-chart {
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--neon-pink);
    transition: all 0.3s ease;
}

.close-chart:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px var(--neon-pink);
}

.chart-info {
    display: flex;
    justify-content: space-around;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-glow);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    color: var(--neon-green);
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 10px var(--neon-green);
}

/* Mobile adjustments for chart */
@media (max-width: 768px) {
    .chart-container {
        padding: 1.5rem;
        max-width: 95vw;
        max-height: 85vh;
        margin: 1rem;
    }
    
    .chart-header {
        margin-bottom: 1rem;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .chart-header h3 {
        font-size: 1.25rem;
        flex: 1;
    }
    
    .close-chart {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
    }
    
    #listenersChart {
        width: 100% !important;
        height: 300px !important;
        min-width: 600px;
    }
    
    .chart-info {
        margin-top: 1rem;
        padding-top: 1rem;
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: space-around;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .chart-container {
        padding: 1rem;
        max-width: 98vw;
        max-height: 80vh;
        margin: 0.5rem;
    }
    
    .chart-header h3 {
        font-size: 1.1rem;
    }
    
    #listenersChart {
        height: 250px !important;
        min-width: 500px;
    }
    
    .chart-info {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .stat-item {
        margin: 0.25rem 0;
    }
}

/* Touch-friendly chart for mobile */
@media (hover: none) and (pointer: coarse) {
    .chart-container {
        max-height: 75vh;
        padding: 1.25rem;
    }
    
    .close-chart {
        width: 44px;
        height: 44px;
        min-height: 44px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #listenersChart {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Popup Modal Styles */
.playlist-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.playlist-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.playlist-popup {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 2px solid var(--neon-pink);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 0 40px var(--neon-pink), inset 0 0 40px rgba(255, 0, 110, 0.1);
    max-width: 90vw;
    max-height: 80vh;
    width: 500px;
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.playlist-popup-overlay.show .playlist-popup {
    transform: scale(1) translateY(0);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 0, 110, 0.3);
}

.popup-header h3 {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--neon-pink);
}

.close-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--neon-pink);
}

.popup-content {
    max-height: 50vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--rave-dark);
}

.popup-content::-webkit-scrollbar {
    width: 6px;
}

.popup-content::-webkit-scrollbar-track {
    background: var(--rave-dark);
    border-radius: 3px;
}

.popup-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple));
    border-radius: 3px;
    box-shadow: 0 0 5px var(--neon-pink);
}

.playlist-option {
    background: linear-gradient(135deg, var(--rave-medium), var(--rave-dark));
    border: 1px solid var(--neon-purple);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 0.5rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.playlist-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 110, 0.1), transparent);
    transition: left 0.5s ease;
}

.playlist-option:hover::before {
    left: 100%;
}

.playlist-option:hover {
    transform: translateX(5px);
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px var(--neon-pink);
}

.playlist-option:focus {
    outline: 2px solid var(--neon-blue);
    outline-offset: 2px;
}

.playlist-option i {
    color: var(--neon-blue);
    font-size: 1.25rem;
}

.playlist-option span {
    color: var(--text-glow);
    font-weight: 500;
}

.playlist-option.create-new {
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    border-color: var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green);
}

.playlist-option.create-new:hover {
    transform: translateX(5px);
    box-shadow: 0 0 20px var(--neon-green);
}

.playlist-option.create-new i {
    color: white;
}

.playlist-option.create-new span {
    color: white;
    font-weight: 600;
}

.no-playlists {
    text-align: center;
    color: var(--text-glow);
    font-style: italic;
    padding: 2rem 0;
}

/* Animations */
@keyframes popupIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes popupOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
}

/* Mobile adjustments for popup */
@media (max-width: 768px) {
    .playlist-popup {
        width: 95vw;
        padding: 1.5rem;
        max-height: 85vh;
    }
    
    .popup-header {
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
    }
    
    .popup-header h3 {
        font-size: 1.1rem;
    }
    
    .close-btn {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }
    
    .popup-content {
        max-height: 60vh;
    }
    
    .playlist-option {
        padding: 0.875rem;
        margin: 0.375rem 0;
        font-size: 0.875rem;
    }
    
    .playlist-option i {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .playlist-popup {
        padding: 1.25rem;
        max-height: 80vh;
    }
    
    .popup-header {
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }
    
    .popup-header h3 {
        font-size: 1rem;
    }
    
    .close-btn {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }
    
    .playlist-option {
        padding: 0.75rem;
        margin: 0.25rem 0;
        font-size: 0.8rem;
    }
    
    .playlist-option i {
        font-size: 1rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .playlist-popup {
        padding: 1.5rem;
    }
    
    .playlist-option {
        min-height: 48px;
        padding: 1rem;
    }
    
    .close-btn {
        width: 36px;
        height: 36px;
        min-height: 36px;
    }
}

/* Landscape mobile adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .playlist-popup {
        max-height: 90vh;
        padding: 1rem;
    }
    
    .popup-content {
        max-height: 50vh;
    }
    
    .playlist-option {
        padding: 0.75rem;
        margin: 0.25rem 0;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .popup-content::-webkit-scrollbar {
        width: 4px;
    }
    
    .close-btn {
        width: 30px;
        height: 30px;
    }
}

/* Volume controls */
.volume-controls {
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, rgba(180, 0, 255, 0.1), rgba(0, 245, 255, 0.05));
    border-radius: 1rem;
    border: 1px solid var(--neon-purple);
    box-shadow: inset 0 0 20px rgba(180, 0, 255, 0.1);
    margin: 1rem 0;
    max-width: 100%;
    overflow: hidden;
}

.volume-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 0, 110, 0.2);
    transition: all 0.3s ease;
    max-width: 100%;
}

.volume-item:last-child {
    margin-bottom: 0;
}

.volume-item span:first-of-type {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-glow);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.volume-slider {
    flex: 2;
    margin: 0 0.5rem;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(90deg, var(--rave-light), var(--neon-purple));
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.5);
    min-width: 60px;
}

.volume-value {
    min-width: 35px;
    text-align: right;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    flex-shrink: 0;
}

/* Dark mode adjustments */
body.dark-mode .volume-controls {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.1), rgba(106, 13, 173, 0.05));
    border-color: var(--neon-red);
    box-shadow: inset 0 0 20px rgba(139, 0, 0, 0.1);
}

body.dark-mode .volume-item {
    background: rgba(26, 26, 26, 0.5);
    border-color: rgba(139, 0, 0, 0.3);
}

body.dark-mode .volume-item span:first-of-type {
    color: var(--text-neon);
}

/* Scrollbar personalizada para controles de volume */
.volume-controls::-webkit-scrollbar {
    width: 6px;
}

.volume-controls::-webkit-scrollbar-track {
    background: var(--rave-dark);
    border-radius: 3px;
}

.volume-controls::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-purple), var(--neon-pink));
    border-radius: 3px;
    box-shadow: 0 0 5px var(--neon-purple);
}

.volume-controls::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-yellow), var(--neon-orange));
    box-shadow: 0 0 8px var(--neon-yellow);
}

/* Firefox scrollbar */
@supports (-moz-appearance: none) {
    .volume-controls {
        scrollbar-width: thin;
        scrollbar-color: var(--neon-purple) var(--rave-dark);
    }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 0 20px var(--neon-blue);
    z-index: 3000;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--neon-blue);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.notification i {
    font-size: 1.25rem;
}

/* Mobile adjustments for notification */
@media (max-width: 768px) {
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        padding: 0.875rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .notification {
        top: 5px;
        right: 5px;
        left: 5px;
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .notification-content {
        gap: 0.5rem;
    }
    
    .notification i {
        font-size: 1.1rem;
    }
}