:root {
    --vynex-bg: #0d0611;
    --vynex-bg-alt: #1a0e24;
    --vynex-accent: #ff2e63;
    --vynex-accent-2: #ff7a3d;
    --vynex-glow: rgba(255, 46, 99, 0.35);
}

html, body {
    height: 100%;
    background: radial-gradient(circle at top, var(--vynex-bg-alt), var(--vynex-bg) 70%);
    color: #f5f0f7;
    font-family: 'Segoe UI', system-ui, sans-serif;
    overscroll-behavior-y: contain;
}

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 520px;
    margin: 0 auto;
    padding: 1.25rem 1rem 2.5rem;
}

.btn-vynex {
    background: linear-gradient(135deg, var(--vynex-accent), var(--vynex-accent-2));
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px var(--vynex-glow);
    transition: transform .15s ease;
}

.btn-vynex:active {
    transform: scale(0.97);
}

.btn-vynex-outline {
    background: transparent;
    border: 2px solid var(--vynex-accent);
    color: #fff;
    font-weight: 600;
    padding: .9rem 1.4rem;
    border-radius: 1rem;
}

.intensity-card {
    border-radius: 1rem;
    padding: 1.25rem;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all .15s ease;
}

.intensity-card.selected {
    border-color: var(--vynex-accent);
    background: rgba(255, 46, 99, 0.12);
}

.temperature-bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.temperature-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #4dd0e1, var(--vynex-accent-2), var(--vynex-accent));
    transition: width .5s ease;
}

.roulette-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.roulette-disc {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: conic-gradient(var(--vynex-accent) 0deg 60deg, var(--vynex-accent-2) 60deg 120deg, #4dd0e1 120deg 180deg, var(--vynex-accent) 180deg 240deg, var(--vynex-accent-2) 240deg 300deg, #4dd0e1 300deg 360deg);
    box-shadow: 0 0 60px var(--vynex-glow);
    transition: transform 3s cubic-bezier(0.15, 0.8, 0.2, 1);
}

.roulette-disc.spinning {
    transform: rotate(1800deg);
}

.card-reveal {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1.25rem;
    padding: 1.75rem;
    animation: cardIn .4s ease;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(16px) scale(.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.badge-categoria {
    background: rgba(255, 46, 99, 0.18);
    color: var(--vynex-accent-2);
    font-weight: 600;
    padding: .4rem .8rem;
    border-radius: 999px;
}

.session-progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

.session-progress-dot.filled {
    background: var(--vynex-accent);
}

/* ---------- UNO ---------- */

.uno-hand {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .5rem;
    padding: .75rem .25rem 1rem;
}

.uno-card {
    position: relative;
    flex: 0 0 auto;
    width: 58px;
    height: 87px;
    border-radius: .65rem;
    border: 3px solid rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
    user-select: none;
    transition: transform .15s ease, outline .15s ease;
}

.uno-card .uno-value { font-size: 1.6rem; }
.uno-card .uno-value-sm { font-size: 1rem; }

.uno-card .uno-corner {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: .65rem;
    opacity: .85;
}

.uno-r { background: #e53935; }
.uno-g { background: #43a047; }
.uno-b { background: #1e88e5; }
.uno-y { background: #f9a825; }

.uno-w {
    background: conic-gradient(#e53935 0deg 90deg, #f9a825 90deg 180deg, #43a047 180deg 270deg, #1e88e5 270deg 360deg);
}

.uno-back {
    background: repeating-linear-gradient(135deg, #1a0e24, #1a0e24 8px, #2b1738 8px, #2b1738 16px);
    color: var(--vynex-accent);
    font-size: .85rem;
    letter-spacing: .08em;
    cursor: pointer;
}

.uno-card.clickable {
    cursor: pointer;
}

.uno-card.clickable:active {
    transform: translateY(-4px);
}

.uno-color-dot {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    vertical-align: middle;
}

.uno-color-choice {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    border: 3px solid rgba(255, 255, 255, 0.7);
}

.turn-toast {
    position: fixed;
    top: max(0.75rem, env(safe-area-inset-top));
    left: 50%;
    transform: translate(-50%, -130%);
    z-index: 70;
    width: min(90vw, 360px);
    padding: .75rem 1.25rem;
    border-radius: 1rem;
    font-weight: 800;
    font-size: 1rem;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, var(--vynex-accent), var(--vynex-accent-2));
    box-shadow: 0 12px 34px var(--vynex-glow);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}

.turn-toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
    transition: opacity .2s cubic-bezier(.34,1.56,.64,1), transform .2s cubic-bezier(.34,1.56,.64,1);
}

.qr-scan-frame {
    width: min(280px, 80vw);
    aspect-ratio: 1;
    border-radius: 1rem;
    overflow: hidden;
    border: 3px solid var(--vynex-accent);
    box-shadow: 0 0 40px var(--vynex-glow);
    background: #000;
}

.qr-scan-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uno-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgba(13, 6, 17, 0.97);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 2rem;
    text-align: center;
}