/* The FitHalo website's look (FitHalo-Website/source/styles.css), cut down to what a board's pages use:
   its blue accent, the app background, the app's rounded cards, pill buttons and one heavy wide word for
   each heading. Archivo is served from the board itself, never from Google. */

@font-face {
    font-family: "Archivo";
    src: url("fonts/Archivo.woff2") format("woff2");
    font-weight: 100 900;
    font-stretch: 62% 125%;
    font-display: swap;
}

:root {
    --accent-dark: #24e0ff;
    --accent-light: #09ade9;
    --accent-text-light: #0077a3;
    --on-accent: #000000;
    --accent: var(--accent-light);
    --accent-text: var(--accent-text-light);

    --app-from: #ffffff;
    --app-to: #ffffff;
    --app-tint: 20%;
    --page-glow: 0%;

    --ink: #000000;
    --ink-soft: #6c6c70;
    --line: rgba(0, 0, 0, 0.08);
    --card: #ffffff;
    --card-solid: #ffffff;
    --card-edge: rgba(0, 0, 0, 0.05);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    --field: rgba(0, 0, 0, 0.04);
    --display-from: #3a3a3a;
    --display-to: #000000;
    --glow: 0.5;
    --danger: #df001c;
    --success: #3e7d00;

    --font-ui: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-display: "Archivo", "Arial Black", system-ui, sans-serif;

    --radius: 22px;
    --gutter: 20px;

    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --accent: var(--accent-dark);
        --accent-text: var(--accent-dark);
        --app-from: #333333;
        --app-to: #000000;
        --app-tint: 0%;
        --page-glow: 14%;
        --ink: #ffffff;
        --ink-soft: #a1a1a6;
        --line: rgba(255, 255, 255, 0.1);
        --card: rgba(255, 255, 255, 0.075);
        --card-solid: #1c1c1e;
        --card-edge: rgba(255, 255, 255, 0.06);
        --card-shadow: none;
        --field: rgba(255, 255, 255, 0.08);
        --display-from: #ffffff;
        --display-to: #b8b8b8;
        --glow: 1;
        --danger: #ff3034;
        --success: #afff00;
        color-scheme: dark;
    }
}

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

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(1100px 600px at 85% -5%, color-mix(in srgb, var(--accent) var(--page-glow), transparent), transparent 65%),
        linear-gradient(135deg, var(--app-from), color-mix(in srgb, var(--accent) var(--app-tint), var(--app-to)));
    background-attachment: fixed;
    background-color: var(--app-to);
    color: var(--ink);
    font: 400 1.0625rem / 1.55 var(--font-ui);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p {
    margin: 0;
}

a {
    color: var(--accent-text);
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 8px;
}

.wrap {
    width: 100%;
    max-width: 880px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}

main {
    flex: 1;
    padding-block: 28px 64px;
}

/* Header */

.header {
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    padding-block: 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
}

.logo-tile {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 4px;
    border-radius: 23%;
    background: #ffffff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.12);
}

.logo-tile img {
    display: block;
    width: 100%;
    height: 100%;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-left: auto;
}

.tabs a,
.tabs button {
    padding: 7px 14px;
    border: 0;
    border-radius: 999px;
    background: none;
    color: var(--ink-soft);
    font: 600 0.95rem / 1.2 var(--font-ui);
    text-decoration: none;
    cursor: pointer;
}

.tabs a:hover,
.tabs button:hover {
    color: var(--ink);
}

.tabs a[aria-current="page"] {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    color: var(--accent-text);
}

/* Headings: one heavy, wide word in capitals, as on the App Store screenshots. */

.display {
    color: var(--ink);
    background: linear-gradient(180deg, var(--display-from), var(--display-to));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font: 900 clamp(2rem, 5.5vw, 3.25rem) / 0.98 var(--font-display);
    font-stretch: 125%;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.subtitle {
    margin-top: 10px;
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 1.9vw, 1.3rem);
    font-variant-caps: small-caps;
    letter-spacing: 0.08em;
    line-height: 1.3;
    text-wrap: balance;
}

.lead {
    max-width: 62ch;
    margin-top: 12px;
    color: var(--ink-soft);
    font-size: 1.1rem;
}

.section-title,
.group-title {
    margin-bottom: 14px;
    font: 800 1.15rem / 1.2 var(--font-display);
    font-stretch: 112%;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.muted {
    color: var(--ink-soft);
}

.stack {
    display: grid;
    gap: 22px;
    margin-top: 28px;
}

/* Cards */

.app-card {
    padding: clamp(20px, 3.5vw, 30px);
    border: 1px solid var(--card-edge);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--card-shadow);
}

/* Forms */

.form {
    display: grid;
    gap: 18px;
}

.field {
    display: grid;
    gap: 6px;
}

.field > span:not(.group-title),
legend {
    font-weight: 600;
}

.group-title {
    margin-bottom: 4px;
    padding: 0;
}

.choice:has(input:disabled),
select:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.hint {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.field-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.info-button {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: 1.5px solid var(--accent-text);
    border-radius: 50%;
    background: transparent;
    color: var(--accent-text);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

.info-popover {
    box-sizing: border-box;
    width: min(480px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    padding: 22px;
    border: 1px solid var(--card-edge);
    border-radius: var(--radius);
    background: var(--card-solid);
    color: var(--ink);
    box-shadow: var(--card-shadow);
}

.info-popover::backdrop {
    background: rgba(0, 0, 0, 0.35);
}

.info-popover h2 {
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.info-popover p {
    margin-bottom: 14px;
    color: var(--ink-soft);
}

.info-popover .button {
    margin-top: 16px;
}

.strength {
    display: grid;
    gap: 6px;
    font-size: 0.92rem;
}

.strength-heading {
    display: flex;
    gap: 6px;
    color: var(--ink-soft);
}

.strength-heading strong {
    color: var(--ink);
}

.strength-track {
    height: 8px;
    overflow: hidden;
    border-radius: 4px;
    background: var(--field);
}

.strength-bar {
    width: 0;
    height: 100%;
    border-radius: 4px;
    transition: width 0.2s ease, background-color 0.2s ease;
}

.strength [data-when],
.password-rules [data-when] {
    display: none;
}

.strength[data-level="none"] [data-when="none"],
.strength[data-level="short"] [data-when="short"],
.strength[data-level="weak"] [data-when="weak"],
.strength[data-level="moderate"] [data-when="moderate"],
.strength[data-level="good"] [data-when="good"],
.strength[data-level="excellent"] [data-when="excellent"] {
    display: inline;
}

.strength[data-level="weak"] .strength-bar,
.strength[data-level="short"] .strength-bar {
    background: var(--danger);
}

.strength[data-level="moderate"] .strength-bar {
    background: #d6ab1d;
}

.strength[data-level="good"] .strength-bar {
    background: var(--success);
}

.strength[data-level="excellent"] .strength-bar {
    background: var(--accent);
}

.password-rules {
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.92rem;
}

.password-rules li {
    display: flex;
    gap: 8px;
    align-items: baseline;
}

.password-rules li::before {
    flex: none;
    width: 1em;
    font-weight: 700;
    text-align: center;
}

.password-rules li[data-state="pass"]::before {
    content: "✓";
    color: var(--success);
}

.password-rules li[data-state="fail"]::before,
.password-rules li[data-state="long"]::before {
    content: "✕";
    color: var(--danger);
}

.password-rules li[data-state="pending"]::before,
.password-rules li[data-state="checking"]::before {
    content: "•";
    color: var(--ink-soft);
}

.password-rules li[data-state="error"]::before {
    content: "!";
    color: #d6ab1d;
}

.password-rules li[data-state="pass"] [data-when="pass"],
.password-rules li[data-state="fail"] [data-when="fail"],
.password-rules li[data-state="long"] [data-when="long"],
.password-rules li[data-state="pending"] [data-when="pending"],
.password-rules li[data-state="checking"] [data-when="checking"],
.password-rules li[data-state="error"] [data-when="error"] {
    display: inline;
}

.button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.get-app {
    display: grid;
    gap: 16px;
}

.get-app-title {
    color: var(--ink);
    font-size: 1.15rem;
    font-weight: 700;
}

.button .icon {
    width: 1.2em;
    height: 1.2em;
    flex: none;
    fill: currentColor;
}

.change-warning {
    display: flex;
    gap: 6px;
    align-items: baseline;
}

.warning-icon {
    flex: none;
    color: #d6ab1d;
    font-weight: 700;
}

.change-warning.is-changed {
    color: var(--danger);
}

.change-warning.is-changed .warning-icon {
    color: var(--danger);
    animation: warning-flash 0.45s ease-in-out 3;
}

@keyframes warning-flash {
    50% {
        opacity: 0.2;
        transform: scale(1.35);
    }
}

@media (prefers-reduced-motion: reduce) {
    .change-warning.is-changed .warning-icon {
        animation: none;
    }
}

.form-divider {
    margin: 8px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
}

.callout {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--field);
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.password-check {
    display: grid;
    gap: 18px;
}

.password-details {
    display: grid;
    gap: 12px;
    padding-top: 4px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--field);
    color: var(--ink);
    font: inherit;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

fieldset {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    border: 0;
}

.choice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.choice input {
    margin-top: 0.3em;
    accent-color: var(--accent);
}

.columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

/* Buttons */

.actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 22px;
    border: 0;
    border-radius: 999px;
    background: var(--field);
    color: var(--ink);
    font: 600 1rem / 1.2 var(--font-ui);
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, filter 0.15s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-accent {
    background: var(--accent);
    color: var(--on-accent);
    box-shadow: 0 0 calc(18px * var(--glow)) color-mix(in srgb, var(--accent) 45%, transparent);
}

.button-danger {
    background: color-mix(in srgb, var(--danger) 14%, transparent);
    color: var(--danger);
}

.button-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.inline-form {
    display: inline;
}

/* Notices */

.notice {
    margin-bottom: 24px;
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 600;
}

.notice-success {
    background: color-mix(in srgb, var(--success) 16%, transparent);
    color: var(--success);
}

.notice-error {
    background: color-mix(in srgb, var(--danger) 14%, transparent);
    color: var(--danger);
}

[hidden] {
    display: none !important;
}

.spaced {
    margin-top: 12px;
}

.centered {
    justify-content: center;
}

.grow {
    flex: 1 1 180px;
    width: auto;
}

/* Members and passkeys */

.rows {
    display: grid;
    margin: 0;
    padding: 0;
    list-style: none;
}

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    padding-block: 14px;
    border-top: 1px solid var(--line);
}

.row:first-child {
    border-top: 0;
}

.row-main {
    flex: 1 1 220px;
    min-width: 0;
}

.row-title {
    font-weight: 700;
    overflow-wrap: anywhere;
}

.row-detail {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

/* The invite */

.invite {
    display: grid;
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    align-items: center;
    gap: 24px;
}

.qr {
    padding: 10px;
    border-radius: 18px;
    background: #ffffff;
}

.qr svg {
    display: block;
    width: 100%;
    height: auto;
}

.link-field {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.85rem;
}

/* The landing page */

.landing {
    display: grid;
    justify-items: center;
    gap: 26px;
    max-width: 560px;
    margin-inline: auto;
    padding-top: clamp(12px, 5vw, 40px);
    text-align: center;
}

.landing .qr {
    width: min(280px, 80vw);
    padding: 14px;
    box-shadow: 0 0 calc(28px * var(--glow)) color-mix(in srgb, var(--accent) 35%, transparent);
}

.landing .actions {
    justify-content: center;
}

.facts {
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
    color: var(--ink-soft);
    list-style: none;
}

/* Footer */

.footer {
    padding-block: 24px calc(24px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
}

.footer form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer select {
    width: auto;
    padding: 6px 10px;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .invite {
        grid-template-columns: 1fr;
    }

    .invite .qr {
        max-width: 240px;
    }

    .tabs {
        margin-left: 0;
    }
}