/**
 * Entrada de jugadores (index.php) — misma línea visual que pinGenerado / pin.css
 */

.idx-page {
    --idx-surface: #ffffff;
    --idx-text: #0f172a;
    --idx-muted: #64748b;
    --idx-border: rgba(15, 23, 42, 0.1);
    --idx-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
    --idx-radius-lg: 16px;
    --idx-radius-btn: 10px;

    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--idx-text);
    margin: 0;
    min-height: 100dvh;
    position: relative;
    overflow-x: hidden;
    background: linear-gradient(145deg, #5f32c9 0%, #4a28a8 35%, #2563d4 70%, #1d4ed8 100%);
}

.idx-page *,
.idx-page *::before,
.idx-page *::after {
    box-sizing: border-box;
}

.idx-decor {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(255, 255, 255, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 20%, rgba(120, 200, 255, 0.18), transparent 50%),
        radial-gradient(ellipse 50% 35% at 50% 100%, rgba(180, 120, 255, 0.15), transparent 45%);
    filter: saturate(1.05);
}

.idx-decor::after {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    top: 10%;
    right: -120px;
    filter: blur(40px);
}

.idx-header {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    padding: 16px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.idx-btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 10px 18px;
    border-radius: var(--idx-radius-btn);
    border: none;
    cursor: pointer;
    text-decoration: none;
    color: #1e293b;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.idx-btn-login:hover {
    background: #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
    color: #1e293b;
}

.idx-main {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100dvh - 72px);
    padding: 24px 20px 48px;
}

.idx-inner {
    width: 100%;
    max-width: 420px;
    animation: idxFadeUp 0.55s ease-out both;
}

.idx-hero {
    text-align: center;
    margin-bottom: 24px;
}

.idx-hero__logo {
    width: min(200px, 52vw);
    height: auto;
    display: block;
    margin: 0 auto 20px;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.15));
}

.idx-hero__title {
    margin: 0 0 10px;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.idx-hero__subtitle {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.88);
}

.idx-card {
    background: var(--idx-surface);
    border-radius: var(--idx-radius-lg);
    box-shadow: var(--idx-shadow);
    border: 1px solid var(--idx-border);
    padding: 26px 24px 24px;
}

.idx-card__eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--idx-muted);
    margin-bottom: 10px;
    text-align: center;
}

.idx-pin-input {
    width: 100%;
    font-family: inherit;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-align: center;
    padding: 16px 14px;
    border-radius: 12px;
    border: 1px solid var(--idx-border);
    background: #f8fafc;
    color: var(--idx-text);
    font-variant-numeric: tabular-nums;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.idx-pin-input::placeholder {
    letter-spacing: 0.08em;
    font-weight: 600;
    font-size: 0.95rem;
    color: #94a3b8;
}

.idx-pin-input:focus {
    outline: none;
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.idx-pin-input.bg-danger-subtle {
    background: #fef2f2 !important;
    border-color: #fecaca !important;
}

.idx-btn-submit {
    width: 100%;
    margin-top: 16px;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 20px;
    border: none;
    border-radius: var(--idx-radius-btn);
    cursor: pointer;
    color: #fff;
    background: linear-gradient(180deg, #27272a 0%, #0f172a 100%);
    box-shadow: 0 4px 0 #020617, 0 8px 20px rgba(15, 23, 42, 0.35);
    transition: filter 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.idx-btn-submit:hover:not(:disabled) {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.idx-btn-submit:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: 0 2px 0 #020617;
}

@keyframes idxFadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .idx-inner {
        animation: none;
    }
}

/* Alertas pie (lobby.js) — alineadas al estilo */
.idx-page .alerta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px 20px;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 1000;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
    transition: opacity 0.8s ease-out;
}

.idx-page .alerta i {
    font-size: 20px;
    flex-shrink: 0;
    margin-right: 8px;
}

.idx-page .fade-out {
    animation: idxFadeOut 0.8s forwards;
}

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