/**
 * Fai — Public shell (signed-out lander, public pages).
 *
 * Standalone copy of the Portal stylesheet. The only change from the original
 * (src/Portal/wwwroot/css/portal/fai/fai-public.css) is the @font-face src
 * paths: rewritten from site-absolute (/fonts/Season/...) to relative
 * (../fonts/Season/...) so the page works when served from any path or
 * opened directly as a file.
 */

/* --- Self-hosted fonts ---------------------------------------- */
@font-face { font-family: 'Season Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/Season/SeasonSans-Regular.woff2') format('woff2'), url('../fonts/Season/SeasonSans-Regular.woff') format('woff'); }
@font-face { font-family: 'Season Sans'; font-style: italic;  font-weight: 400; font-display: swap; src: url('../fonts/Season/SeasonSans-RegularItalic.woff2') format('woff2'), url('../fonts/Season/SeasonSans-RegularItalic.woff') format('woff'); }
@font-face { font-family: 'Season Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/Season/SeasonSans-SemiBold.woff2') format('woff2'), url('../fonts/Season/SeasonSans-SemiBold.woff') format('woff'); }
@font-face { font-family: 'Season Sans'; font-style: italic;  font-weight: 600; font-display: swap; src: url('../fonts/Season/SeasonSans-SemiBoldItalic.woff2') format('woff2'), url('../fonts/Season/SeasonSans-SemiBoldItalic.woff') format('woff'); }
@font-face { font-family: 'Season Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/Season/SeasonSerif-Regular.woff2') format('woff2'), url('../fonts/Season/SeasonSerif-Regular.woff') format('woff'); }
@font-face { font-family: 'Season Serif'; font-style: italic;  font-weight: 400; font-display: swap; src: url('../fonts/Season/SeasonSerif-RegularItalic.woff2') format('woff2'), url('../fonts/Season/SeasonSerif-RegularItalic.woff') format('woff'); }

/* --- Tokens --------------------------------------------------- */
:root {
    /* Brand */
    --brand-primary: #411C76;
    --brand-primary-hover: #5A3396;
    --brand-primary-subtle: rgba(65, 28, 118, 0.08);
    --brand-light: #E3D9FA;
    --brand-gradient: linear-gradient(135deg, #432275 0%, #24163C 100%);

    /* Action accents */
    --btn-primary: #FF7800;
    --btn-primary-hover: #E86800;

    /* Surfaces */
    --color-bg: #F0F0F0;
    --color-surface: #FFFFFF;
    --color-border: #E3D9FA;

    /* Text */
    --fg-1: #000000;          /* body */
    --fg-2: #411C76;          /* brand-tinted body */
    --fg-3: #6B5F7E;          /* muted */
    --color-text-inverse: #FFFFFF;

    /* Status */
    --color-success: #16A34A;

    /* Effects */
    --shadow-lg: 0 4px 24px rgba(65, 28, 118, 0.10);
    --focus-ring: 0 0 0 3px rgba(67, 34, 118, 0.08);

    /* Radii — Fai is square; pill is reserved for status dot. */
    --radius-pill: 9999px;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;

    /* Typography */
    --font-body: 'Season Sans', Arial, Helvetica, sans-serif;
    --font-display: 'Season Serif', 'Times New Roman', Times, Georgia, serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-3xl: 42px;
    --line-height-tight: 1.2;
    --line-height-base: 1.5;
}

/* --- Cross-document view transitions -------------------------- */
/* Opt the document into native cross-fade on same-origin navigation.
   Named regions stay visually anchored across pages; only the card
   content visibly changes. Browsers without support do a normal nav. */
@view-transition { navigation: auto; }

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

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--fg-1);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.fai-public {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Header --------------------------------------------------- */
.fai-public .site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-3xl);
    view-transition-name: fai-site-header;
}

.fai-public .brand-lockup {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: inherit;
    text-decoration: none;
}

.fai-public .brand-lockup:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.fai-public .brand-lockup img {
    width: 36px;
    height: 36px;
    display: block;
}

.fai-public .brand-rule {
    width: 1px;
    height: 28px;
    background: var(--color-border);
}

.fai-public .brand-wordmark {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    color: var(--brand-primary);
    letter-spacing: 0;
}

.fai-public .brand-wordmark .sub {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-3);
}

/* Accent colon in the Faculti wordmark (e.g. "Faculti:Portal").
   Lives in CSS rather than inline style on the markup so the strict
   Portal CSP doesn't need a style-src 'unsafe-inline' exception. */
.fai-public .brand-wordmark__colon {
    color: var(--btn-primary);
}

.fai-public .env-tag {
    margin-left: var(--space-sm);
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-inverse);
    background: var(--btn-primary);
}

/* --- Hero ----------------------------------------------------- */
.fai-public .hero {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: var(--space-3xl);
    padding: var(--space-3xl);
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    align-items: stretch;
}

.fai-public .hero-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 460px;
    view-transition-name: fai-hero-card;
}

.fai-public .eyebrow {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-3);
    margin: 0 0 var(--space-lg);
}

.fai-public .hero-card h1 {
    margin: 0 0 var(--space-lg);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: var(--font-size-3xl);
    line-height: var(--line-height-tight);
    color: var(--brand-primary);
    letter-spacing: 0;
    text-wrap: balance;
}

.fai-public .hero-card .lede {
    margin: 0 0 var(--space-2xl);
    font-family: var(--font-body);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-base);
    color: var(--fg-2);
    max-width: 38ch;
}

.fai-public .actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* --- Buttons -------------------------------------------------- */
.fai-public .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1;
    border: 1px solid transparent;
    background: transparent;
    color: var(--fg-1);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
    border-radius: 0;
}

.fai-public .btn svg { width: 16px; height: 16px; stroke-width: 1.5; }
.fai-public .btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.fai-public .btn--primary {
    background: var(--btn-primary);
    /* Villages tweak: brand purple text on the orange CTA instead of white. */
    color: var(--brand-primary);
    border-color: var(--btn-primary);
}

.fai-public .btn--primary:hover {
    background: var(--btn-primary-hover);
    border-color: var(--btn-primary-hover);
}

.fai-public .btn--ghost {
    color: var(--brand-primary);
    border-color: var(--color-border);
    background: var(--color-surface);
}

.fai-public .btn--ghost:hover {
    background: var(--brand-primary-subtle);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* --- Hero visual ---------------------------------------------- */
.fai-public .hero-visual {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    background: var(--brand-gradient);
    min-height: 460px;
    view-transition-name: fai-hero-visual;
}

.fai-public .hero-visual .visual-chrome {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: var(--space-xl) var(--space-2xl);
    background: linear-gradient(0deg, rgba(36, 22, 60, 0.85) 0%, transparent 100%);
    color: var(--color-text-inverse);
    pointer-events: none;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-lg);
}

.fai-public .hero-visual .title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
    color: var(--color-text-inverse);
}

.fai-public .hero-visual .meta {
    text-align: right;
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.fai-public .hero-visual .meta .dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: var(--radius-pill);
    margin-right: var(--space-sm);
    vertical-align: 1px;
}

/* --- Forms ---------------------------------------------------- */
.fai-public .form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.fai-public .form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.fai-public .form-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-3);
}

.fai-public .form-input {
    appearance: none;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.4;
    color: var(--fg-1);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.fai-public .form-input::placeholder {
    color: var(--fg-3);
    opacity: 0.6;
}

.fai-public .form-input:hover {
    border-color: var(--brand-primary);
}

.fai-public .form-input:focus-visible {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: var(--focus-ring);
}

.fai-public .form-input.input-validation-error,
.fai-public .form-input:invalid:not(:placeholder-shown) {
    border-color: var(--color-danger, #DC2626);
}

.fai-public .form-input--code {
    text-align: center;
    letter-spacing: 0.4em;
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    padding: var(--space-lg);
}

.fai-public .form-input--code::placeholder {
    letter-spacing: 0.05em;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
}

.fai-public .field-validation-error {
    display: block;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-danger, #DC2626);
    margin-top: var(--space-xs);
}

.fai-public .field-validation-valid { display: none; }

.fai-public .validation-summary-errors {
    margin: 0 0 var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(220, 38, 38, 0.06);
    border-left: 3px solid var(--color-danger, #DC2626);
    color: var(--color-danger, #DC2626);
    font-size: var(--font-size-sm);
}

.fai-public .validation-summary-errors ul {
    margin: 0;
    padding-left: var(--space-lg);
}

.fai-public .validation-summary-valid { display: none; }

.fai-public .form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.fai-public .form-check {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--fg-2);
    cursor: pointer;
    user-select: none;
}

.fai-public .form-check input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    margin: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
}

.fai-public .form-check input[type="checkbox"]:hover {
    border-color: var(--brand-primary);
}

.fai-public .form-check input[type="checkbox"]:checked {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

.fai-public .form-check input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 0px;
    width: 5px;
    height: 10px;
    border: solid var(--color-text-inverse);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.fai-public .form-check input[type="checkbox"]:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.fai-public .form-link {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--fg-2);
    text-decoration: none;
}

.fai-public .form-link:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.fai-public .form-link:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* --- OR divider ----------------------------------------------- */
.fai-public .form-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: 60px 0 var(--space-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fg-3);
}

.fai-public .form-divider::before,
.fai-public .form-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* --- Button variants for forms -------------------------------- */
.fai-public .btn--full { width: 100%; justify-content: center; }

/* --- Alerts --------------------------------------------------- */
.fai-public .alert {
    padding: var(--space-md) var(--space-lg);
    margin: 0 0 var(--space-md);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    background: var(--color-surface);
    border-left: 3px solid var(--brand-primary);
    color: var(--fg-2);
}

.fai-public .alert strong { font-weight: 600; }

.fai-public .alert p { margin: var(--space-xs) 0 0; font-size: var(--font-size-xs); color: var(--fg-3); }

.fai-public .alert--danger {
    background: rgba(220, 38, 38, 0.06);
    border-left-color: var(--color-danger, #DC2626);
    color: var(--color-danger, #DC2626);
}

.fai-public .alert--warning {
    background: rgba(217, 119, 6, 0.06);
    border-left-color: var(--color-warn, #D97706);
    color: var(--color-warn, #D97706);
}

.fai-public .alert--info {
    background: var(--brand-primary-subtle);
    border-left-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* --- Card sub-footer (back-to-login etc) ---------------------- */
.fai-public .card-foot {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--fg-3);
    text-align: center;
}

.fai-public .card-foot a {
    color: var(--fg-2);
    text-decoration: none;
    font-weight: 600;
}

.fai-public .card-foot a:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* --- Prose layout (Terms, Privacy, etc) ----------------------- */
.fai-public--prose { background: var(--color-bg); }

.fai-public .prose {
    flex: 1;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-3xl);
    view-transition-name: fai-hero-card;
}

.fai-public .prose-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3xl);
}

.fai-public .prose h1 {
    margin: 0 0 var(--space-xl);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: var(--font-size-3xl);
    line-height: var(--line-height-tight);
    color: var(--brand-primary);
    text-wrap: balance;
}

.fai-public .prose h2 {
    margin: var(--space-2xl) 0 var(--space-md);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
    color: var(--brand-primary);
}

.fai-public .prose h3 {
    margin: var(--space-xl) 0 var(--space-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--fg-2);
}

.fai-public .prose p {
    margin: 0 0 var(--space-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--fg-1);
    max-width: 70ch;
}

.fai-public .prose ul,
.fai-public .prose ol {
    margin: 0 0 var(--space-md);
    padding-left: var(--space-xl);
    color: var(--fg-1);
    max-width: 70ch;
}

.fai-public .prose li {
    margin-bottom: var(--space-xs);
    line-height: var(--line-height-base);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--fg-1);
}

.fai-public .prose .lede {
    margin: 0 0 var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-base);
    color: var(--fg-2);
    max-width: 70ch;
}

.fai-public .prose a {
    color: var(--fg-2);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.fai-public .prose a:hover { color: var(--brand-primary-hover); }

@media (max-width: 900px) {
    .fai-public .prose { padding: var(--space-xl); }
    .fai-public .prose-card { padding: var(--space-2xl); }
}

/* --- Footer --------------------------------------------------- */
.fai-public .site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: var(--space-lg) var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
    color: var(--fg-3);
    view-transition-name: fai-site-footer;
}

.fai-public .site-footer .legal { max-width: 760px; }

.fai-public .site-footer a {
    color: var(--fg-2);
    text-decoration: none;
}

.fai-public .site-footer a:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.fai-public .site-footer a:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.fai-public .site-footer .sep {
    display: inline-block;
    margin: 0 var(--space-sm);
    color: var(--color-border);
}

/* --- Responsive ----------------------------------------------- */
@media (max-width: 900px) {
    .fai-public .hero {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        padding: var(--space-xl);
    }
    .fai-public .hero-card,
    .fai-public .hero-visual { min-height: 360px; }
    .fai-public .hero-card { padding: var(--space-2xl); }
    .fai-public .site-header,
    .fai-public .site-footer {
        padding-left: var(--space-xl);
        padding-right: var(--space-xl);
    }
}