/* --- NeoDIVA v2 Core Styles --- */
:root {
    --brand-cyan: #5dcede;
    --brand-pink: #de5ddc;
    --v2-bg: #0f111a;
    --v2-surface: #181a26;
    --v2-border: rgba(255,255,255,0.08);
}

body {
    scrollbar-width: thin;
    scrollbar-color: var(--v2-border) transparent;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--v2-border); border-radius: 10px; }

/* --- NAVIGATION --- */
.nav-link {
    position: relative;
    opacity: 0.6;
}
.nav-link:hover, .nav-link.active {
    opacity: 1;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--brand-cyan);
    transition: width 0.3s ease;
}
.nav-link.active::after {
    width: 100%;
}

/* --- SPA TRANSITIONS --- */
#app-root {
    opacity: 1;
    transition: opacity 0.3s ease;
}
#app-root.transitioning {
    opacity: 0;
}

/* --- CARDS & PANELS --- */
.v2-card {
    background: var(--v2-surface);
    border: 1px solid var(--v2-border);
    border-radius: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.v2-card:hover {
    border-color: rgba(93, 206, 222, 0.2);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* --- MARQUEE (Refined) --- */
.v2-marquee {
    overflow: hidden;
    white-space: nowrap;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--v2-border);
    border-bottom: 1px solid var(--v2-border);
    padding: 1rem 0;
}
.v2-marquee-content {
    display: inline-block;
    animation: marquee-scroll 40s linear infinite;
}
@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- VOCALIST DETAIL UI --- */
.v2-studio-panel {
    background: #090a10;
    border-radius: 16px;
    border: 1px solid var(--v2-border);
    overflow: hidden;
}

.v2-audio-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--v2-border);
    transition: all 0.2s ease;
}
.v2-audio-btn.active {
    background: rgba(93, 206, 222, 0.1);
    border-color: var(--brand-cyan);
    color: var(--brand-cyan);
}

.v2-visualizer-container {
    background: #000;
    height: 120px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

/* --- HELPER CLASSES --- */
.text-glow-cyan { text-shadow: 0 0 10px rgba(93, 206, 222, 0.3); }
/* --- MODALS --- */
.v2-modal {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.v2-modal.active {
    opacity: 1;
    pointer-events: auto;
}