:root {
    --bg-dark: #0a0a0f;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent: #00f2ff;
    --accent-dim: rgba(0, 242, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #8888aa;
    --font-stack: 'Inter', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    font-family: var(--font-stack);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.background-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: #4f00ff;
    top: -100px;
    left: -100px;
    animation: float 10s infinite ease-in-out;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -50px;
    right: -50px;
    animation: float 12s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 50px); }
}

.glass-panel {
    width: 420px;
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

.brand-title {
    margin: 0 0 2rem 0;
    font-weight: 600;
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.accent {
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-dim);
}

.drop-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 16px;
    padding: 3rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.drop-zone.active {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.icon-container {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.drop-text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.select-btn, .copy-btn, .reset-btn {
    background: var(--accent);
    color: #000;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s;
}

.select-btn:hover, .copy-btn:hover, .reset-btn:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 15px var(--accent-dim);
}

.hidden {
    display: none;
}

.progress-wrapper {
    margin-top: 1rem;
}

.file-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
}

.progress-bar-bg {
    height: 6px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.2s linear;
}

.progress-glow {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    box-shadow: 0 0 20px var(--accent);
    opacity: 0.5;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.value {
    color: var(--text-main);
    font-weight: 600;
}

.link-box {
    display: flex;
    gap: 10px;
    background: rgba(0,0,0,0.2);
    padding: 5px;
    border-radius: 10px;
    margin: 1.5rem 0;
}

#file-link {
    background: transparent;
    border: none;
    color: var(--text-main);
    width: 100%;
    padding: 0 10px;
    outline: none;
    font-family: monospace;
}

.success-msg {
    color: var(--accent);
    text-align: center;
    font-weight: 600;
}

.reset-btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}