/**
 * Validación de certificados — experiencia premium (mobile-first)
 */
:root {
    --cert-bg0: #030712;
    --cert-bg1: #0f172a;
    --cert-bg2: #1e1b4b;
    --cert-radial-a: rgba(56, 189, 248, 0.18);
    --cert-radial-b: rgba(129, 140, 248, 0.12);
    --cert-radial-c: rgba(52, 211, 153, 0.08);
    --cert-glass: rgba(255, 255, 255, 0.06);
    --cert-glass2: rgba(255, 255, 255, 0.1);
    --cert-border: rgba(255, 255, 255, 0.12);
    --cert-text: #f8fafc;
    --cert-muted: #94a3b8;
    --cert-accent: #38bdf8;
    --cert-accent2: #818cf8;
    --cert-accent-mid: #22d3ee;
    --cert-btn-start: #38bdf8;
    --cert-btn-mid: #22d3ee;
    --cert-btn-end: #818cf8;
    --cert-success: #34d399;
    --cert-danger: #fb7185;
    --cert-radius: 1.25rem;
    --cert-radius-sm: 0.875rem;
    --cert-shadow: 0 25px 80px rgba(0, 0, 0, 0.45);
    --cert-font: "Inter", system-ui, -apple-system, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
    .cert-premium *,
    .cert-premium *::before,
    .cert-premium *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.cert-premium {
    font-family: var(--cert-font);
    color: var(--cert-text);
    min-height: 100vh;
    background:
        radial-gradient(ellipse 120% 80% at 50% -20%, var(--cert-radial-a), transparent 55%),
        radial-gradient(ellipse 90% 60% at 100% 50%, var(--cert-radial-b), transparent 50%),
        radial-gradient(ellipse 70% 50% at 0% 80%, var(--cert-radial-c), transparent 45%),
        linear-gradient(165deg, var(--cert-bg0) 0%, var(--cert-bg1) 40%, var(--cert-bg2) 100%);
    background-attachment: fixed;
}

.cert-premium.cert-embed {
    min-height: 100%;
    background-attachment: scroll;
}

.cert-premium a {
    color: var(--cert-accent);
    text-decoration: none;
}
.cert-premium a:hover {
    color: #7dd3fc;
}

/* Top bar */
.cert-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--cert-border);
}

.cert-topbar__brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.cert-topbar__icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cert-accent), var(--cert-accent2));
    color: #0f172a;
    font-size: 1rem;
}

.cert-btn-ghost {
    border: 1px solid var(--cert-border);
    color: var(--cert-text);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.cert-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.22);
    color: #fff;
    transform: translateY(-1px);
}

/* Shell */
.cert-shell {
    max-width: 720px;
    margin: 0 auto;
    padding: 1.25rem 1rem 3rem;
}

.cert-embed .cert-shell {
    padding-top: 0.75rem;
}

/* Tenant strip */
.cert-tenant {
    margin-bottom: 1.25rem;
    padding: 1rem 1.15rem;
    border-radius: var(--cert-radius);
    border: 1px solid var(--cert-border);
    background: var(--cert-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    gap: 1rem;
    align-items: center;
    animation: certFadeUp 0.6s ease both;
}

.cert-tenant__logo {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
    border-radius: var(--cert-radius-sm);
    background: rgba(255, 255, 255, 0.06);
    padding: 0.35rem;
}

.cert-tenant__ph {
    width: 4rem;
    height: 4rem;
    border-radius: var(--cert-radius-sm);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(129, 140, 248, 0.25));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--cert-accent);
}

.cert-tenant h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.cert-tenant p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--cert-muted);
    line-height: 1.45;
}

/* Glass card */
.cert-glass {
    border-radius: calc(var(--cert-radius) + 4px);
    border: 1px solid var(--cert-border);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.09) 0%, rgba(255, 255, 255, 0.03) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: var(--cert-shadow);
    padding: 1.75rem 1.35rem;
    animation: certFadeUp 0.65s ease 0.08s both;
}

@media (min-width: 576px) {
    .cert-glass {
        padding: 2rem 2rem;
    }
}

.cert-kicker {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--cert-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.cert-title {
    font-size: clamp(1.45rem, 5vw, 1.85rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0 0 0.5rem;
}

.cert-sub {
    font-size: 0.9rem;
    color: var(--cert-muted);
    margin: 0 0 1.5rem;
    line-height: 1.5;
}

/* Form */
.cert-field {
    margin-bottom: 1rem;
}

.cert-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cert-muted);
    margin-bottom: 0.4rem;
}

.cert-input,
.cert-select {
    width: 100%;
    border-radius: var(--cert-radius-sm);
    border: 1px solid var(--cert-border);
    background: rgba(2, 6, 23, 0.45);
    color: var(--cert-text);
    padding: 0.9rem 1rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.cert-input::placeholder {
    color: #64748b;
}

.cert-input-wrap {
    position: relative;
}

.cert-input-wrap__icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9CA3AF;
    font-size: 0.9rem;
    pointer-events: none;
    z-index: 1;
}

.cert-input.cert-input--with-icon {
    padding-left: 2.55rem;
}

.cert-input:focus,
.cert-select:focus {
    outline: none;
    border-color: rgba(56, 189, 248, 0.55);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    background: rgba(2, 6, 23, 0.65);
}

.cert-row2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .cert-row2 {
        grid-template-columns: 1fr;
    }
}

.cert-submit {
    width: 100%;
    margin-top: 0.25rem;
    border: none;
    border-radius: 999px;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    cursor: pointer;
    background: linear-gradient(135deg, var(--cert-btn-start) 0%, var(--cert-btn-mid) 50%, var(--cert-btn-end) 100%);
    background-size: 200% 200%;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.cert-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    filter: brightness(1.05);
}

.cert-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

/* Loader */
.cert-loader {
    display: none;
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--cert-radius);
    border: 1px solid var(--cert-border);
    background: rgba(2, 6, 23, 0.35);
    animation: certFadeIn 0.35s ease;
}

.cert-loader.is-visible {
    display: block;
}

.cert-loader__rings {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.cert-loader__ring {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cert-accent);
    animation: certPulse 1.1s ease-in-out infinite;
}
.cert-loader__ring:nth-child(2) {
    animation-delay: 0.15s;
    background: #67e8f9;
}
.cert-loader__ring:nth-child(3) {
    animation-delay: 0.3s;
    background: var(--cert-accent2);
}

.cert-skel {
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.06) 25%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.06) 75%);
    background-size: 200% 100%;
    animation: certShimmer 1.2s ease-in-out infinite;
    margin-bottom: 0.65rem;
}
.cert-skel--short {
    width: 55%;
}
.cert-skel--med {
    width: 80%;
}

.cert-loader__text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--cert-muted);
    font-weight: 500;
}

/* Outcome */
.cert-outcome {
    display: none;
    margin-top: 1.5rem;
    animation: certFadeUp 0.55s ease both;
}

.cert-outcome.is-visible {
    display: block;
}

/* Success hero */
.cert-success {
    border-radius: calc(var(--cert-radius) + 6px);
    border: 1px solid rgba(52, 211, 153, 0.35);
    background: linear-gradient(160deg, rgba(52, 211, 153, 0.12) 0%, rgba(15, 23, 42, 0.85) 45%, rgba(15, 23, 42, 0.95) 100%);
    padding: 1.5rem 1.25rem 1.75rem;
    position: relative;
    overflow: hidden;
}

.cert-success::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.15), transparent 70%);
    pointer-events: none;
}

.cert-success__head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cert-avatar {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(129, 140, 248, 0.35));
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.cert-badge-ok {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(52, 211, 153, 0.2);
    border: 1px solid rgba(52, 211, 153, 0.45);
    color: #6ee7b7;
    margin-bottom: 0.75rem;
}

.cert-check {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 2px solid currentColor;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    animation: certPop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

.cert-name {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 0.35rem;
    line-height: 1.2;
}

.cert-docline {
    font-size: 0.85rem;
    color: var(--cert-muted);
    margin: 0;
}

/* Spec tiles */
.cert-spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-top: 1.35rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 520px) {
    .cert-spec-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cert-tile {
    border-radius: var(--cert-radius-sm);
    border: 1px solid var(--cert-border);
    background: rgba(2, 6, 23, 0.4);
    padding: 0.75rem 0.85rem;
    transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.cert-tile:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.35);
    background: rgba(2, 6, 23, 0.55);
}

.cert-tile__k {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cert-muted);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cert-tile__v {
    font-size: 0.85rem;
    font-weight: 600;
    color: #e2e8f0;
    word-break: break-word;
}

/* QR */
.cert-qr-wrap {
    margin-top: 1.35rem;
    padding: 1.25rem;
    border-radius: var(--cert-radius);
    border: 1px solid var(--cert-border);
    background: rgba(255, 255, 255, 0.04);
    text-align: center;
    position: relative;
    z-index: 1;
}

.cert-qr-wrap img {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 1rem;
    padding: 0.75rem;
    background: #fff;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.cert-qr-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cert-muted);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

/* Actions */
.cert-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
    position: relative;
    z-index: 1;
}

.cert-btn-solid {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 0.85rem 1rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.88rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cert-btn-solid--light {
    background: #f8fafc;
    color: #0f172a;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.cert-btn-solid--light:hover {
    transform: translateY(-2px);
    color: #0f172a;
}

.cert-btn-solid--dark {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid var(--cert-border);
}
.cert-btn-solid--dark:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    transform: translateY(-2px);
}

.cert-btn-reset {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.85rem;
    border-radius: 999px;
    border: 1px dashed rgba(148, 163, 184, 0.45);
    background: transparent;
    color: var(--cert-muted);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.cert-btn-reset:hover {
    color: #fff;
    border-color: rgba(148, 163, 184, 0.7);
    background: rgba(255, 255, 255, 0.04);
}

/* Error */
.cert-error {
    border-radius: var(--cert-radius);
    border: 1px solid rgba(251, 113, 133, 0.45);
    background: linear-gradient(145deg, rgba(251, 113, 133, 0.12), rgba(15, 23, 42, 0.9));
    padding: 1.35rem 1.25rem;
    animation: certShake 0.45s ease;
}

.cert-error h3 {
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
    color: #fecdd3;
}

.cert-error p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--cert-muted);
    line-height: 1.5;
}

/* Otros certificados */
.cert-others {
    margin-top: 1.75rem;
}

.cert-others__title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cert-muted);
    margin-bottom: 0.85rem;
}

.cert-others__track {
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-x: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
}

.cert-extra-block {
    padding-top: 1.35rem;
    margin-top: 1.35rem;
    border-top: 1px solid var(--cert-border);
}

.cert-extra-block .cert-spec-grid {
    margin-top: 0;
}

.cert-mini {
    flex: 0 0 min(280px, 86vw);
    scroll-snap-align: start;
    border-radius: var(--cert-radius);
    border: 1px solid var(--cert-border);
    background: rgba(2, 6, 23, 0.5);
    padding: 1rem 1.1rem;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.cert-mini:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.cert-mini__date {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cert-accent);
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.cert-mini__course {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.cert-mini__org {
    font-size: 0.78rem;
    color: var(--cert-muted);
    margin-bottom: 0.85rem;
    line-height: 1.35;
}

.cert-mini__btn {
    width: 100%;
    border: none;
    border-radius: 999px;
    padding: 0.55rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid var(--cert-border);
    transition: background 0.2s, border-color 0.2s;
}

.cert-mini__btn:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.45);
}

.hidden {
    display: none !important;
}

@keyframes certFadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes certPulse {
    0%,
    100% {
        transform: scale(0.85);
        opacity: 0.45;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

@keyframes certShimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes certPop {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes certShake {
    0%,
    100% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-6px);
    }
    40% {
        transform: translateX(6px);
    }
    60% {
        transform: translateX(-4px);
    }
    80% {
        transform: translateX(4px);
    }
}

/* -------------------------------------------------------------------------
 * Modo instituto (certificados.php?id_marca / ?slug): lienzo blanco.
 * Los acentos (--cert-accent, etc.) siguen inyectándose desde PHP en :root;
 * aquí se anulan fondos oscuros del :root para este árbol y se ajustan paneles.
 * ------------------------------------------------------------------------- */
.cert-premium.modo-instituto {
    --cert-bg0: #ffffff;
    --cert-bg1: #f9fafb;
    --cert-bg2: #f3f4f6;
    --cert-radial-a: rgba(148, 163, 184, 0.16);
    --cert-radial-b: rgba(148, 163, 184, 0.09);
    --cert-radial-c: rgba(148, 163, 184, 0.06);
    --cert-text: #0f172a;
    --cert-muted: #64748b;
    --cert-border: rgba(15, 23, 42, 0.12);
    --cert-glass: rgba(255, 255, 255, 0.96);
    --cert-shadow: 0 20px 50px rgba(15, 23, 42, 0.07);
    color: var(--cert-text);
    background:
        radial-gradient(ellipse 120% 80% at 50% -20%, var(--cert-radial-a), transparent 55%),
        radial-gradient(ellipse 90% 60% at 100% 50%, var(--cert-radial-b), transparent 50%),
        radial-gradient(ellipse 70% 50% at 0% 80%, var(--cert-radial-c), transparent 45%),
        linear-gradient(180deg, var(--cert-bg0) 0%, var(--cert-bg1) 45%, var(--cert-bg2) 100%);
    background-attachment: fixed;
}

.cert-premium.modo-instituto a:hover {
    filter: brightness(0.92);
}

.cert-premium.modo-instituto .cert-topbar {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: var(--cert-border);
    color: var(--cert-text);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}

.cert-premium.modo-instituto .cert-topbar__brand {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-btn-ghost {
    color: var(--cert-text);
    background: #fff;
    border-color: var(--cert-border);
}

.cert-premium.modo-instituto .cert-btn-ghost:hover {
    background: #f1f5f9;
    border-color: rgba(15, 23, 42, 0.18);
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-tenant__logo {
    background: #f1f5f9;
}

.cert-premium.modo-instituto .cert-tenant__ph {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
}

.cert-premium.modo-instituto .cert-tenant h2 {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-glass {
    background: #ffffff;
    border-color: var(--cert-border);
    box-shadow: var(--cert-shadow);
}

.cert-premium.modo-instituto .cert-title {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-input,
.cert-premium.modo-instituto .cert-select {
    background: #fff;
    color: var(--cert-text);
    border-color: rgba(15, 23, 42, 0.14);
}

.cert-premium.modo-instituto .cert-input:focus,
.cert-premium.modo-instituto .cert-select:focus {
    border-color: rgba(56, 189, 248, 0.55);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
    background: #fff;
}

.cert-premium.modo-instituto .cert-loader {
    background: #f8fafc;
    border-color: var(--cert-border);
}

.cert-premium.modo-instituto .cert-skel {
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.06) 25%, rgba(15, 23, 42, 0.1) 50%, rgba(15, 23, 42, 0.06) 75%);
}

.cert-premium.modo-instituto .cert-success {
    border-color: rgba(16, 185, 129, 0.35);
    background: linear-gradient(160deg, rgba(209, 250, 229, 0.95) 0%, rgba(255, 255, 255, 0.98) 55%, #f8fafc 100%);
}

.cert-premium.modo-instituto .cert-avatar {
    color: var(--cert-text);
    border-color: rgba(15, 23, 42, 0.1);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.cert-premium.modo-instituto .cert-badge-ok {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35);
    color: #047857;
}

.cert-premium.modo-instituto .cert-name {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-tile {
    background: #f8fafc;
    border-color: var(--cert-border);
}

.cert-premium.modo-instituto .cert-tile:hover {
    background: #fff;
    border-color: rgba(56, 189, 248, 0.35);
}

.cert-premium.modo-instituto .cert-tile__v {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-qr-wrap {
    background: #f8fafc;
    border-color: var(--cert-border);
}

.cert-premium.modo-instituto .cert-btn-solid--dark {
    background: #f1f5f9;
    color: var(--cert-text);
    border-color: var(--cert-border);
}

.cert-premium.modo-instituto .cert-btn-solid--dark:hover {
    background: #e2e8f0;
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-btn-reset {
    border-color: rgba(15, 23, 42, 0.2);
    color: var(--cert-muted);
}

.cert-premium.modo-instituto .cert-btn-reset:hover {
    color: var(--cert-text);
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.28);
}

.cert-premium.modo-instituto .cert-error {
    border-color: rgba(251, 113, 133, 0.45);
    background: linear-gradient(145deg, rgba(254, 226, 226, 0.95), rgba(255, 255, 255, 0.98));
}

.cert-premium.modo-instituto .cert-error h3 {
    color: #be123c;
}

.cert-premium.modo-instituto .cert-mini {
    background: #fff;
    border-color: var(--cert-border);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.cert-premium.modo-instituto .cert-mini:hover {
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.1);
}

.cert-premium.modo-instituto .cert-mini__course {
    color: var(--cert-text);
}

.cert-premium.modo-instituto .cert-mini__btn {
    background: rgba(8, 145, 178, 0.08);
    color: var(--cert-accent);
    border-color: rgba(8, 145, 178, 0.22);
}

.cert-premium.modo-instituto .cert-mini__btn:hover {
    background: rgba(8, 145, 178, 0.14);
    border-color: rgba(8, 145, 178, 0.35);
}

/* Listado numerado de cursos */
.portal-courses-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.25rem;
}

.portal-course-card {
    border-radius: var(--cert-radius);
    border: 1px solid var(--cert-border);
    background: rgba(255, 255, 255, 0.06);
    padding: 1.15rem 1.25rem;
}

.portal-course-card__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--cert-border);
}

.portal-course-card__num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #D90416, #B00312);
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.portal-course-card__name {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--cert-text);
}

.portal-course-card__grid {
    margin-top: 0;
}

.cert-embed .portal-course-card {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(15, 23, 42, 0.1);
}

.cert-embed .portal-course-card__name {
    color: #101827;
}

/* Vista móvil: tarjetas | Vista PC: layout tablas + bloques */
.portal-courses-mobile {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.portal-courses-desktop {
    display: none;
}

.portal-results-layout {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    color: #000;
}

.portal-results-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.portal-recuadro {
    background: var(--portal-recuadro-fondo, #ffffff);
    border: 1px solid var(--cert-border);
    color: #000;
    text-align: center;
    padding: 0.55rem 0.5rem;
    vertical-align: middle;
}

.portal-recuadro.portal-recuadro--head,
.portal-results-table thead th.portal-recuadro {
    background: var(--portal-recuadro-cabecera, var(--cert-accent, #0891b2));
    color: var(--portal-recuadro-cabecera-texto, #ffffff);
    border-color: var(--portal-recuadro-cabecera, var(--cert-accent, #0891b2));
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
}

.portal-recuadro--curso {
    text-align: left;
    text-transform: uppercase;
    font-weight: 700;
}

.portal-recuadro--reg {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.72rem;
}

.portal-results-section-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #000;
}

.portal-course-blocks {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.portal-course-block {
    border: 1px solid var(--cert-border);
    border-radius: var(--cert-radius-sm);
    overflow: hidden;
}

.portal-course-block__head {
    text-align: left;
    padding: 0.65rem 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.portal-course-block__row {
    display: flex;
    border-top: 1px solid var(--cert-border);
}

.portal-course-block__label,
.portal-course-block__value {
    flex: 1 1 50%;
    padding: 0.55rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: #000;
    text-align: center;
    border: none;
    border-radius: 0;
}

.portal-course-block__row--nota .portal-recuadro--nota {
    background: var(--portal-recuadro-cabecera, var(--cert-accent, #0891b2));
    color: var(--portal-recuadro-cabecera-texto, #ffffff);
    border-color: var(--portal-recuadro-cabecera, var(--cert-accent, #0891b2));
    font-weight: 700;
}

.cert-portal-inline-root--results .portal-course-card,
.cert-portal-inline-root--results .cert-tile {
    background: var(--portal-recuadro-fondo, #ffffff);
}

@media (min-width: 992px) {
    .portal-courses-mobile {
        display: none;
    }

    .portal-courses-desktop {
        display: block;
    }
}