:root {
    --bg-color: #0b0f19;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 30px 0;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

.background-blobs {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    overflow: hidden;
    filter: blur(100px);
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: #4facfe;
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #ff0844;
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 600px;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.input-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}

.time-inputs {
    display: flex;
    gap: 20px;
}

.time-inputs .input-group {
    flex: 1;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

input:not([type="range"]):not([type="radio"]) {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 16px;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

input:not([type="range"]):not([type="radio"]):focus {
    border-color: #4facfe;
    box-shadow: 0 0 0 4px rgba(79, 172, 254, 0.1);
}

button {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 12px;
    background: var(--primary-gradient);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(79, 172, 254, 0.5);
}

.loader {
    display: none;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-loading .btn-text {
    display: none;
}

.btn-loading .loader {
    display: block;
}

#status-message {
    margin-top: 20px;
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.hidden {
    display: none;
}

.success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    align-self: flex-start;
}

.badge.youtube {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge.tiktok {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge.spotify {
    background: rgba(30, 215, 96, 0.2);
    color: #1ed760;
    border: 1px solid rgba(30, 215, 96, 0.3);
}

#player-wrapper {
    margin-bottom: 24px;
}

#player-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: #000;
}

#yt-player {
    width: 100%;
    height: 100%;
}

.media-controls {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    justify-content: center;
}

.ctrl-btn {
    padding: 10px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: auto;
    display: inline-block;
}

.ctrl-btn:hover {
    background: rgba(79, 172, 254, 0.15);
    border-color: #4facfe;
    transform: translateY(-2px);
}

/* Slider CSS */
.slider-container {
    margin-top: 20px;
    padding: 10px 5px;
}

.range-slider {
    position: relative;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-bottom: 15px;
}

.range-track {
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
}

.range-fill {
    position: absolute;
    height: 100%;
    background: #4facfe;
    border-radius: 4px;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

.range-slider input[type="range"] {
    position: absolute;
    width: 100%;
    height: 6px;
    top: 0;
    left: 0;
    -webkit-appearance: none;
    background: transparent;
    pointer-events: none;
    margin: 0;
    padding: 0;
    z-index: 2;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    cursor: grab;
    pointer-events: auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    border: 3px solid #4facfe;
    transition: transform 0.1s;
}

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

.slider-labels {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.player-controls {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.time-btn {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-btn:hover {
    background: rgba(79, 172, 254, 0.15);
    border-color: #4facfe;
    transform: translateY(-2px);
}

/* Language Selector & TikTok Radio CSS */
.lang-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
}

#language-select {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--glass-border);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

#language-select option {
    background: var(--bg-color);
    color: white;
}

.radio-group {
    display: flex;
    gap: 20px;
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    cursor: pointer;
    font-size: 1rem;
    color: white;
}

.radio-group input[type="radio"] {
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: #4facfe;
}