:root {
    --bg: #000;
    --fg: #fff;
    --muted: #71717a;
    --muted-2: #a1a1aa;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.12);
    --glass-bg: rgba(12, 12, 14, 0.72);
    --accent: #5865f2;
    --accent-hover: #6c78f5;
    --accent-soft: rgba(88, 101, 242, 0.14);
    --danger: #ef4444;
    --radius-lg: 2rem;
    --radius-sm: 0.75rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg);
    background-image: radial-gradient(circle at 50% -20%, #17171a 0%, #000 60%);
    background-attachment: fixed;
    color: var(--fg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.card {
    width: 100%;
    max-width: 27rem;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2.25rem;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
    animation: card-in 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(14px) scale(0.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-strong);
    margin-bottom: 1.75rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
}

.badge .dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 999px;
    background: var(--muted);
}

.badge.error .dot { background: var(--danger); }
.badge.warn  .dot { background: #eab308; }
.badge.ok    .dot { background: #22c55e; }

.brand {
    font-size: 1.65rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.logo {
    display: block;
    width: 4.25rem;
    height: 4.25rem;
    border-radius: 1.25rem;
    object-fit: contain;
    margin: 0 auto 1.25rem;
    filter: drop-shadow(0 8px 24px rgba(88, 101, 242, 0.25));
}

.divider {
    height: 1px;
    width: 100%;
    background: linear-gradient(to right, transparent, var(--line-strong), transparent);
    margin: 1.5rem 0;
}

.message {
    color: var(--muted-2);
    font-size: 0.92rem;
    line-height: 1.65;
    padding: 0 0.5rem;
}

.message strong {
    color: var(--fg);
    font-weight: 600;
}

.hint {
    margin-top: 1.5rem;
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0.7;
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    box-shadow: 0 8px 24px rgba(88, 101, 242, 0.35);
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn:active { transform: translateY(0); }

.btn svg {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

/* --- Spinner (interstitial) --- */
.spinner-wrap {
    display: flex;
    justify-content: center;
    margin: 1rem 0 1.75rem;
}

.spinner {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 999px;
    border: 3px solid var(--line);
    border-top-color: var(--accent);
    animation: spin 0.9s linear infinite;
}

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

.redirecting-text {
    font-size: 0.85rem;
    color: var(--muted-2);
    margin-top: 1.25rem;
}

.progress-note {
    margin-top: 2rem;
    font-size: 0.68rem;
    color: var(--muted);
    opacity: 0.6;
}

/* --- Footer --- */
.footer {
    margin-top: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
}

.footer .sep {
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 999px;
    background: var(--line-strong);
}

.footer p {
    font-size: 0.56rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0.75;
}

/* --- Error específico --- */
.error-list {
    list-style: none;
    text-align: left;
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.06);
}

.error-list li {
    font-size: 0.85rem;
    color: var(--muted-2);
    padding: 0.25rem 0;
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    line-height: 1.5;
}

.error-list li::before {
    content: "";
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 999px;
    background: var(--danger);
    margin-top: 0.45rem;
    flex-shrink: 0;
}