/* Nanban public portal — Premium ivory landing */
#publicPortal {
    display: block;
    min-height: 100dvh;
    background: #f7f5f2;
    color: #18181b;
}

#publicPortal #loginScreen.nb-ultra {
    display: flex !important;
    flex-direction: column;
    min-height: 100dvh;
    background: #f7f5f2;
}

html:not(.nanban-authed):not(.nanban-pro-app) #crmApp {
    display: none !important;
}

#publicPortal .nb-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

#publicPortal .nb-nav-btn--ghost {
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: #ffffff;
    color: #334155;
    font-weight: 700;
    font-size: 11px;
    padding: 10px 14px;
    border-radius: 999px;
}

#publicPortal .nb-nav-btn--ghost:hover {
    background: #f8fafc;
}

#publicPortal .nb-nav-btn--staff {
    border: 1px solid rgba(79, 70, 229, 0.25);
    background: rgba(79, 70, 229, 0.08);
    color: #4338ca;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 11px;
    padding: 10px 18px;
    border-radius: 999px;
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.08);
    transition: box-shadow 0.25s ease, transform 0.2s ease, background 0.25s ease;
}

#publicPortal .nb-nav-btn--staff:hover {
    box-shadow: 0 0 24px rgba(79, 70, 229, 0.15);
    background: rgba(79, 70, 229, 0.12);
    transform: translateY(-1px);
}

#publicPortal .nb-hero-title--intl {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

#publicPortal .nb-nav-btn--primary {
    margin-left: auto;
}

#publicPortal .nb-hero-glass-cta {
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

#publicPortal .nb-section--platform {
    background: linear-gradient(180deg, #f7f5f2 0%, #ffffff 100%);
    padding: 4rem 0 3rem;
}

#publicPortal .nb-public-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

#publicPortal .nb-public-bento-card {
    grid-column: span 6;
    padding: 1.5rem 1.35rem;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.25s ease;
}

#publicPortal .nb-public-bento-card:hover {
    border-color: rgba(220, 38, 38, 0.2);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
    transform: translateY(-2px);
}

#publicPortal .nb-public-bento-card--quiz {
    grid-column: span 5;
}

#publicPortal .nb-public-bento-card--hub {
    grid-column: span 7;
}

#publicPortal .nb-public-bento-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: #18181b;
}

#publicPortal .nb-public-bento-card p {
    margin: 0 0 1rem;
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.55;
}

#publicPortal .nb-btn-public {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 12px;
    border: none;
    font-weight: 800;
    font-size: 13px;
    cursor: pointer;
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #fff;
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.25);
}

#publicPortal .nb-btn-public--ghost {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.12);
    box-shadow: none;
    color: #334155;
}

#publicPortal .nb-section--learning {
    background: #ffffff;
    padding: 3.5rem 0 4rem;
}

#publicPortal .nb-public-video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

#publicPortal .nb-video-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: #f5f5f4;
    border: 1px solid rgba(28, 25, 23, 0.1);
}

#publicPortal .nb-video-card__thumb {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #fafaf9, #f5f5f4);
    display: flex;
    align-items: center;
    justify-content: center;
}

#publicPortal .nb-video-card__play {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #e0f2fe;
}

#publicPortal .nb-video-card__meta {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

#publicPortal .nb-video-card__cat {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #93c5fd;
}

#publicPortal .nb-video-card__title {
    font-size: 13px;
    font-weight: 700;
    color: #f1f5f9;
    margin-top: 4px;
}

#publicPortal .nb-footer--premium {
    background: #ffffff;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    padding: 2.5rem 1.5rem 2rem;
    color: #64748b;
    font-size: 14px;
    letter-spacing: 1px;
}

#publicPortal .nb-footer-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

#publicPortal .nb-footer-grid h4 {
    margin: 0 0 1rem;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #64748b;
}

#publicPortal .nb-footer-grid a {
    color: #334155;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.02em;
}

#publicPortal .nb-footer-grid a:hover {
    color: #dc2626;
}

#publicPortal .nb-footer-partner {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

#publicPortal .nb-rto-overlay {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(8px);
}

#publicPortal .nb-rto-overlay.is-open {
    display: flex;
}

#publicPortal .nb-rto-panel {
    width: 100%;
    max-width: min(480px, 100%);
    box-sizing: border-box;
    max-height: 90dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    padding: 1.75rem;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 32px 80px rgba(15, 23, 42, 0.15);
}

#publicPortal .nb-rto-panel h3 {
    margin: 0 0 0.5rem;
    color: #18181b;
    font-size: 1.35rem;
}

#publicPortal .nb-rto-panel label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 6px;
}

#publicPortal .nb-rto-panel input[type="tel"],
#publicPortal .nb-rto-panel input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 1rem;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(28, 25, 23, 0.14);
    background: #ffffff !important;
    color: #1c1917 !important;
    font-size: 16px;
    font-weight: 600;
    outline: none;
}

#publicPortal .nb-rto-q {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 14px;
    background: #fafaf9;
    border: 1px solid rgba(28, 25, 23, 0.1);
}

#publicPortal .nb-rto-q p,
#publicPortal .nb-rto-q__text {
    margin: 0 0 0.75rem;
    font-weight: 700;
    color: #1c1917;
    font-size: clamp(15px, 4vw, 17px);
    line-height: 1.45;
}

#publicPortal .nb-rto-opt {
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
    margin-bottom: 8px;
    padding: 14px 16px;
    min-height: 48px;
    border-radius: 10px;
    border: 1px solid rgba(28, 25, 23, 0.12);
    background: #ffffff;
    color: #374151;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.35;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

#publicPortal .nb-rto-opt.is-selected {
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
    color: #1d4ed8;
}

#publicPortal .nb-rto-opt.is-correct {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
}

#publicPortal .nb-rto-opt.is-wrong {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    color: #b91c1c;
}

#publicPortal .nb-rto-opt:disabled {
    opacity: 1;
    cursor: default;
}

#publicPortal .nb-rto-progress {
    height: 6px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.9);
    margin: 0.75rem 0 0.35rem;
    overflow: hidden;
}

#publicPortal .nb-rto-progress__bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #2563eb, #38bdf8);
    transition: width 0.35s ease;
}

#publicPortal .nb-rto-progress__label {
    margin: 0 0 0.75rem;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
}

#publicPortal .nb-rto-lead {
    color: #94a3b8;
    font-size: 14px;
    margin: 0 0 1rem;
    line-height: 1.55;
}

#publicPortal .nb-rto-err {
    color: #f87171;
    font-size: 12px;
    font-weight: 700;
    min-height: 18px;
    margin: 0 0 0.5rem;
}

#publicPortal .nb-rto-expl {
    margin: 0.75rem 0 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #bbf7d0;
    font-size: 13px;
    line-height: 1.45;
}

#publicPortal .nb-rto-score__pct {
    color: #38bdf8;
    font-size: 1.1rem;
    font-weight: 800;
    margin: 0.25rem 0;
}

#publicPortal .nb-rto-score__band {
    color: #e2e8f0;
    font-size: 14px;
    line-height: 1.5;
    margin: 0.5rem 0;
}

#publicPortal .nb-rto-score__phone {
    color: #94a3b8;
    font-size: 13px;
}

#publicPortal .nb-rto-done-link {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: transparent;
    border: none;
    color: #64748b;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
}

body.nb-rto-quiz-open {
    overflow: hidden;
}

#publicPortal .nb-rto-sign-img-wrap {
    margin: 0.5rem 0 1rem;
    padding: 12px;
    border-radius: 16px;
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

#publicPortal .nb-rto-sign-img-wrap--premium {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-bottom: 24px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid rgba(55, 65, 81, 0.5);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

#publicPortal .nb-rto-sign-img {
    max-width: 100%;
    width: min(220px, 100%);
    height: auto;
    display: inline-block;
    border-radius: 12px;
}

#publicPortal .nb-rto-sign-img--premium {
    height: 10rem;
    width: auto;
    max-width: min(100%, 280px);
    object-fit: contain;
    border-radius: 12px;
    background: #0f172a;
}

#publicPortal .nb-rto-pick-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 1rem;
}

#publicPortal .nb-rto-otp-block input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: #0f172a !important;
    color: #f8fafc !important;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-align: center;
}

#publicPortal .nb-rto-success {
    text-align: center;
    padding: 0.5rem 0 1.25rem;
}

#publicPortal .nb-rto-success__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
    font-size: 40px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 32px rgba(34, 197, 94, 0.45);
}

#publicPortal .nb-rto-success__title {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
    line-height: 1.45;
    color: #ecfdf5;
    font-weight: 800;
}

#publicPortal .nb-rto-cta-main {
    width: 100%;
    font-size: 15px;
    padding: 16px 18px;
    background: linear-gradient(135deg, #16a34a, #22c55e);
    box-shadow: 0 12px 32px rgba(34, 197, 94, 0.35);
}

#publicPortal .nb-rto-confetti-layer {
    pointer-events: none;
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 2;
}

#publicPortal .nb-rto-panel {
    position: relative;
}

#publicPortal .nb-rto-confetti-piece {
    position: absolute;
    top: -12px;
    width: 8px;
    height: 14px;
    border-radius: 2px;
    opacity: 0.9;
    animation: nbConfettiFall linear forwards;
}

@keyframes nbConfettiFall {
    to {
        transform: translateY(110vh) rotate(720deg);
        opacity: 0;
    }
}

#publicPortal.lang-ta-only .nb-nav-en,
#publicPortal.lang-ta-only .nb-hero-en,
#publicPortal.lang-ta-only .nb-bento-en {
    display: none !important;
}

#publicPortal.lang-ta-only .nb-nav-ta,
#publicPortal.lang-ta-only .nb-hero-ta-only,
#publicPortal.lang-ta-only .nb-bento-ta {
    display: block !important;
}

#publicPortal .nb-rto-score {
    text-align: center;
    padding: 1.5rem 0;
}

#publicPortal .nb-rto-score strong {
    display: block;
    font-size: 2.5rem;
    color: #38bdf8;
    margin-bottom: 0.5rem;
}

@media (max-width: 900px) {
    #publicPortal .nb-public-bento-card,
    #publicPortal .nb-public-bento-card--quiz,
    #publicPortal .nb-public-bento-card--hub {
        grid-column: span 12;
    }

    #publicPortal .nb-public-video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    #publicPortal .nb-footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 520px) {
    #publicPortal .nb-public-video-grid {
        grid-template-columns: 1fr;
    }
}