/* FBC Bicentenary — dedicated auth pages (login & register) */
:root {
    --bca-maroon: #6b1d2a;
    --bca-maroon-dark: #4a0e1c;
    --bca-gold: #c9a227;
    --bca-cream: #faf7f2;
    --bca-muted: #64748b;
    --bca-border: #e2d8cf;
    --bca-radius: 14px;
    --bca-shell-max: 440px;
    --bca-shell-max-register: 480px;
    --bca-fs-brand-title: clamp(1.25rem, 4.5vw, 1.65rem);
    --bca-fs-brand-sub: clamp(0.84rem, 3.2vw, 0.92rem);
    --bca-fs-label: 0.85rem;
    --bca-fs-input: 1rem;
    --bca-fs-btn: 1rem;
}

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    height: auto;
    overflow-y: scroll;
}

body.bca-page {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    height: auto;
    overflow-x: hidden;
    overflow-y: visible;
}

.bca-page {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--bicent-auth-gradient, linear-gradient(145deg, var(--bca-maroon-dark) 0%, var(--bca-maroon) 45%, #7a2535 100%));
    background-attachment: fixed;
    color: var(--bca-page-text, #fff);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(2rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    position: relative;
    overflow-x: hidden;
    overflow-y: visible;
}

.bca-page--register {
    display: block;
    padding-top: max(0.75rem, env(safe-area-inset-top));
    padding-bottom: max(2.5rem, env(safe-area-inset-bottom));
}

.bca-page--register::before {
    position: fixed;
}

.bca-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 20%, rgba(201, 162, 39, 0.18) 0%, transparent 45%),
                radial-gradient(circle at 85% 80%, rgba(255, 255, 255, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

.bca-shell {
    width: 100%;
    max-width: var(--bca-shell-max);
    position: relative;
    z-index: 2;
    margin: auto;
}

.bca-page--register .bca-shell {
    max-width: var(--bca-shell-max-register);
    margin: 0 auto;
    padding: 0.5rem 0 1rem;
}

.bca-page--register .bca-brand {
    margin-bottom: 0.75rem;
}

.bca-page--register .bca-brand__badge {
    width: 52px;
    height: 52px;
    margin-bottom: 0.5rem;
}

.bca-page--register .bca-brand__badge i {
    font-size: 1.25rem;
}

.bca-page--register .bca-brand__title {
    font-size: clamp(1.15rem, 3.5vw, 1.45rem);
}

.bca-page--register .bca-brand__sub {
    font-size: 0.85rem;
    line-height: 1.45;
    max-width: 42ch;
}

.bca-page--register .bca-field {
    margin-bottom: 0.75rem;
}

.bca-page--register .bca-input {
    min-height: 42px;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.bca-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 540px) {
    .bca-form-row--2 {
        grid-template-columns: 1fr 1fr;
        gap: 0 1rem;
    }
}

.bca-brand {
    text-align: center;
    margin-bottom: clamp(0.85rem, 2.5vw, 1.25rem);
}

.bca-brand__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: clamp(56px, 14vw, 72px);
    height: clamp(56px, 14vw, 72px);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 2px solid rgba(201, 162, 39, 0.55);
    margin-bottom: 0.75rem;
}

.bca-brand__badge i {
    font-size: clamp(1.35rem, 4vw, 1.75rem);
    color: var(--bca-gold);
}

.bca-brand__eyebrow {
    font-size: clamp(0.68rem, 2.8vw, 0.78rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bca-gold);
    margin: 0 0 0.35rem;
    line-height: 1.4;
    padding: 0 0.25rem;
}

.bca-brand__title {
    font-size: var(--bca-fs-brand-title);
    font-weight: 700;
    margin: 0 0 0.35rem;
    line-height: 1.2;
    padding: 0 0.25rem;
}

.bca-brand__sub {
    font-size: var(--bca-fs-brand-sub);
    opacity: 0.88;
    margin: 0 auto;
    line-height: 1.55;
    max-width: 36ch;
    padding: 0 0.35rem;
}

.bca-card {
    background: var(--bca-cream);
    color: var(--bca-card-text, #1a1a1a);
    border-radius: var(--bca-radius);
    padding: clamp(1rem, 3.5vw, 1.5rem);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
    width: 100%;
    overflow: visible;
}

.bca-page--register .bca-card {
    margin-bottom: 0.75rem;
}

.bca-card__footer {
    padding-top: 0.25rem;
}

.bca-alert {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-size: clamp(0.82rem, 3vw, 0.9rem);
    line-height: 1.45;
    word-break: break-word;
}

.bca-alert--error {
    background: var(--bca-error-bg, #fef2f2);
    border: 1px solid var(--bca-error-border, #fecaca);
    color: var(--bca-error-text, #991b1b);
}

.bca-alert--success {
    background: var(--bca-success-bg, #ecfdf5);
    border: 1px solid var(--bca-success-border, #a7f3d0);
    color: var(--bca-success-text, #065f46);
}

.bca-field {
    margin-bottom: clamp(0.85rem, 2.5vw, 1rem);
}

.bca-field label {
    display: block;
    font-size: var(--bca-fs-label);
    font-weight: 600;
    color: var(--bca-maroon-dark);
    margin-bottom: 0.35rem;
}

.bca-input-wrap {
    position: relative;
    width: 100%;
}

.bca-input-wrap i.bca-input-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bca-muted);
    pointer-events: none;
    font-size: 0.9rem;
}

.bca-input {
    width: 100%;
    min-height: 44px;
    padding: 0.75rem 0.85rem 0.75rem 2.35rem;
    border: 1px solid var(--bca-border);
    border-radius: 10px;
    font-size: var(--bca-fs-input);
    font-family: inherit;
    background: var(--bca-input-bg, #fff);
    transition: border-color 0.15s, box-shadow 0.15s;
    -webkit-appearance: none;
    appearance: none;
}

.bca-input:focus {
    outline: none;
    border-color: var(--bca-maroon);
    box-shadow: 0 0 0 3px rgba(107, 29, 42, 0.12);
}

.bca-input--toggle {
    padding-right: 2.75rem;
}

.bca-toggle-pw {
    position: absolute;
    right: 0.35rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: none;
    color: var(--bca-muted);
    cursor: pointer;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.bca-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 1rem;
    font-size: clamp(0.82rem, 2.8vw, 0.88rem);
}

.bca-check {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    font-size: clamp(0.82rem, 2.8vw, 0.88rem);
    line-height: 1.5;
    color: var(--bca-field-text, #374151);
    margin-bottom: 0.5rem;
}

.bca-check input {
    margin-top: 0.25rem;
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
}

.bca-check a {
    color: var(--bca-maroon);
    font-weight: 600;
    word-break: break-word;
}

.bca-recaptcha {
    margin: 1rem 0;
    display: flex;
    justify-content: center;
    overflow: hidden;
    max-width: 100%;
}

.bca-recaptcha > div {
    max-width: 100%;
}

.bca-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    min-height: 48px;
    padding: 0.8rem 1.25rem;
    border: none;
    border-radius: 10px;
    font-size: var(--bca-fs-btn);
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.bca-btn--primary {
    background: var(--bca-gold);
    color: var(--bca-btn-primary-text, var(--bca-maroon-dark));
}

.bca-btn--primary:hover {
    background: var(--bca-gold-hover, #d4ad2e);
}

.bca-btn--submit {
    margin-top: 0.75rem;
}

.bca-btn--outline {
    background: transparent;
    color: var(--bca-maroon);
    border: 2px solid var(--bca-maroon);
}

.bca-btn--outline:hover {
    background: rgba(107, 29, 42, 0.06);
}

.bca-links {
    text-align: center;
    margin-top: clamp(0.85rem, 2.5vw, 1.25rem);
    font-size: clamp(0.84rem, 3vw, 0.9rem);
    color: var(--bca-page-text, rgba(255, 255, 255, 0.9));
    padding-bottom: 0.5rem;
}

.bca-links a {
    color: var(--bca-link, var(--bca-gold));
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 44px;
    padding: 0.35rem 0.5rem;
}

.bca-links a:hover {
    text-decoration: underline;
}

.bca-back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.85rem;
}

.bca-back:hover {
    color: #fff;
}

.bca-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: clamp(0.85rem, 2.5vw, 1.25rem) 0;
    color: var(--bca-muted);
    font-size: 0.8rem;
}

.bca-divider::before,
.bca-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--bca-border);
}

.bca-hint {
    font-size: 0.82rem;
    color: var(--bca-muted);
    margin: -0.25rem 0 0.5rem;
    line-height: 1.4;
}

/* Tablet — login only centers; register stays scrollable block layout */
@media (min-width: 600px) {
    .bca-page:not(.bca-page--register) {
        justify-content: center;
        padding: 2rem;
    }

    .bca-page--register {
        padding: 1.25rem 2rem 2.5rem;
    }
}

/* Small phones */
@media (max-width: 399px) {
    .bca-page {
        padding-left: max(0.75rem, env(safe-area-inset-left));
        padding-right: max(0.75rem, env(safe-area-inset-right));
    }

    .bca-card {
        border-radius: 12px;
    }

    .bca-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .bca-recaptcha {
        transform-origin: top center;
        transform: scale(0.92);
        margin-left: auto;
        margin-right: auto;
    }
}

/* Very narrow screens — scale reCAPTCHA to fit */
@media (max-width: 360px) {
    .bca-recaptcha {
        transform: scale(0.85);
    }

    .bca-brand__eyebrow {
        letter-spacing: 0.05em;
    }
}

/* Landscape phones — keep form scrollable */
@media (max-height: 520px) and (orientation: landscape) {
    .bca-page:not(.bca-page--register) {
        align-items: flex-start;
        padding-top: 0.75rem;
        padding-bottom: 1rem;
    }

    .bca-page--register .bca-brand__sub {
        display: none;
    }

    .bca-brand {
        margin-bottom: 0.65rem;
    }

    .bca-brand__badge {
        width: 48px;
        height: 48px;
        margin-bottom: 0.5rem;
    }

    .bca-brand__badge i {
        font-size: 1.15rem;
    }

    .bca-field {
        margin-bottom: 0.65rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .bca-btn,
    .bca-input {
        transition: none;
    }
}