/* Public, sign-in and account form pages (pricing, policies, contact, 2FA,
   email, SMTP, coupons, policy admin). Tokens come from tokens.css. */

/* ---- public header ---- */
.site-nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
.site-nav-inner { display: flex; align-items: center; gap: 24px; width: min(1120px, calc(100% - 32px)); height: 56px; margin: 0 auto; }
.site-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 16px; font-weight: 600; letter-spacing: -.015em; }
.site-brand:hover { text-decoration: none; }
.site-brand img { border-radius: 6px; }
.site-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-links a { padding: 7px 14px; border-radius: var(--r-control); color: var(--text-2); font-size: 14px; }
.site-links a:hover { color: var(--text); background: var(--fill); text-decoration: none; }
.site-links a[aria-current="page"] { color: var(--text); font-weight: 600; }
.site-links .site-cta { margin-left: 8px; background: var(--accent); color: var(--on-accent); font-weight: 500; }
.site-links .site-cta:hover { background: var(--accent-hover); color: var(--on-accent); }
@media (max-width: 640px) { .site-nav-inner { gap: 8px; } .site-brand span { display: none; } .site-links a { padding: 7px 10px; font-size: 13px; } }

.site-main { width: min(1040px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 24px; }
.page-head { max-width: 720px; margin-bottom: 32px; }
.page-head h1 { margin: 0; font-size: 40px; line-height: 1.15; font-weight: 700; letter-spacing: -.025em; }
.page-head p { margin: 12px 0 0; color: var(--text-2); font-size: 17px; line-height: 1.55; }
.section-first { padding-top: 0; }
.section-title { margin: 0 0 12px; font-size: 22px; letter-spacing: -.015em; }
.plain-list { margin: 0; padding-left: 20px; color: var(--text); line-height: 1.8; }
.page-foot { margin: 32px 0 0; color: var(--text-2); font-size: 14px; }
@media (max-width: 640px) { .page-head h1 { font-size: 30px; } }

/* ---- buttons, used by every page ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 0 22px; border: 0; border-radius: var(--r-control);
  background: var(--accent); color: var(--on-accent); font: 500 15px/1 var(--font); white-space: nowrap; cursor: pointer; text-decoration: none; transition: background var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.btn:hover { background: var(--accent-hover); color: var(--on-accent); text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-secondary { background: var(--fill); color: var(--text); }
.btn-secondary:hover { background: var(--fill-hover); color: var(--text); }
.btn-ghost { background: transparent; color: var(--accent-text); }
.btn-ghost:hover { background: var(--accent-tint); color: var(--accent-text); }
.btn-danger { background: var(--danger-tint); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-block { display: flex; width: 100%; }
.btn-large { min-height: 48px; padding: 0 28px; font-size: 17px; }

/* ---- cards & sections ---- */
.card { background: var(--surface); border-radius: var(--r-lg); box-shadow: var(--shadow-card); padding: 28px; }
.section { padding: 40px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: 28px; line-height: 1.15; letter-spacing: -.022em; }
.muted { color: var(--text-2); }
.tag { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: var(--r-control); background: var(--neutral-tint); color: var(--text-2); font-size: 12.5px; font-weight: 600; }
.tag-ok { background: var(--success-tint); color: var(--success); }
.tag-off { background: var(--neutral-tint); color: var(--text-2); }

/* ---- form controls ---- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > span, .field > label, label.field-label { font-weight: 600; font-size: 13.5px; }
.field small { color: var(--text-2); font-size: 12.5px; }
.input, .site-form input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]), .site-form select, .site-form textarea {
  width: 100%; min-height: 44px; padding: 10px 16px; border: 1px solid var(--line-strong); border-radius: var(--r-md); background: var(--surface); color: var(--text);
  font: 15px/1.4 var(--font); outline: none; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.input:focus, .site-form input:focus, .site-form select:focus, .site-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-tint); }
.site-form input::placeholder, .site-form textarea::placeholder { color: var(--text-3); }
.site-form select { appearance: none; padding-right: 40px; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%2386868b' stroke-width='1.8'/%3E%3C/svg%3E") no-repeat right 14px center; }
.site-form textarea { resize: vertical; line-height: 1.55; }
.check { display: flex; align-items: flex-start; gap: 10px; margin: 6px 0; cursor: pointer; line-height: 1.45; }
.check input { flex: none; width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); }
.alert { display: flex; gap: 10px; margin-bottom: 16px; padding: 12px 16px; border-radius: var(--r-md); background: var(--accent-tint); color: var(--text); font-size: 14px; }
.alert-error { background: var(--danger-tint); }
.alert-error::before { content: "!"; display: grid; place-items: center; flex: none; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; background: var(--danger); color: #fff; font-size: 12px; font-weight: 700; }
.alert-success { background: var(--success-tint); }

/* ---- sign-in style pages ---- */
.auth { display: flex; flex-direction: column; align-items: center; min-height: calc(100vh - 220px); padding: 56px 16px 32px; }
.auth-brand { display: inline-flex; flex-direction: column; align-items: center; gap: 14px; margin-bottom: 28px; color: var(--text); text-align: center; }
.auth-brand:hover { text-decoration: none; }
.auth-brand img { width: 48px; height: 48px; border-radius: 12px; }
.auth-card { width: 100%; max-width: 440px; padding: 36px 36px 32px; border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-card); }
.auth-card.wide { max-width: 640px; }
.auth-card h1 { margin: 0; font-size: 28px; line-height: 1.2; font-weight: 700; letter-spacing: -.025em; text-align: center; }
.auth-card .auth-sub { margin: 8px 0 28px; color: var(--text-2); font-size: 15px; text-align: center; }
.auth-card p { color: var(--text-2); }
.auth-hint { display: block; margin: -2px 0 20px 28px; color: var(--text-2); font-size: 12.5px; }
.auth-note { margin: 20px 0 0; color: var(--text-2); font-size: 12.5px; text-align: center; }
.auth-foot { margin-top: 20px; color: var(--text-3); font-size: 13px; text-align: center; }
.auth-foot form { display: inline; }
.auth-foot button { padding: 0; border: 0; background: none; color: var(--accent-text); font: inherit; cursor: pointer; }
.auth-foot button:hover { text-decoration: underline; }
.auth details { margin-top: 18px; }
.auth details summary { color: var(--accent-text); font-size: 13.5px; cursor: pointer; text-align: center; }
.auth details[open] summary { margin-bottom: 14px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack > .btn { margin-top: 4px; }
@media (max-width: 520px) { .auth { padding-top: 32px; } .auth-card { padding: 28px 20px 24px; border-radius: 20px; } }

/* 2FA */
.tfa-status { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; margin-bottom: 20px; border-radius: var(--r-md); background: var(--surface-2); }
.tfa-steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 22px; counter-reset: step; }
.tfa-steps li { position: relative; padding-left: 44px; counter-increment: step; }
.tfa-steps li::before { content: counter(step); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-tint); color: var(--accent-text); font-weight: 700; font-size: 13px; }
.tfa-steps strong { display: block; margin-bottom: 4px; }
.tfa-steps p { margin: 0 0 10px; }
.tfa-secret { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 12px; border-radius: var(--r-md); background: var(--fill); }
.tfa-secret code { flex: 1; min-width: 0; font-size: 14px; letter-spacing: .06em; overflow-wrap: anywhere; }
.tfa-qr { margin-top: 14px; }
.tfa-qr img { display: block; width: 180px; height: 180px; padding: 10px; border-radius: var(--r-md); background: #fff; }
.recovery-codes { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; margin: 12px 0; }
.recovery-codes code { padding: 8px 10px; border-radius: var(--r-sm); background: var(--fill); text-align: center; letter-spacing: .06em; }
.recovery-panel { margin-bottom: 24px; padding: 18px; border-radius: var(--r-md); background: var(--warning-tint); }
.recovery-panel h2 { margin: 0 0 6px; font-size: 17px; }
.code-input { text-align: center; font-size: 22px !important; letter-spacing: .4em; font-variant-numeric: tabular-nums; }

/* coupons */
.coupon-amount { margin: 20px 0; padding: 20px; border-radius: var(--r-lg); background: var(--surface-2); color: var(--text); font-size: 28px; font-weight: 700; letter-spacing: -.02em; text-align: center; }
.coupon-reason { text-align: center; }

/* SMTP test */
.smtp-test { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.smtp-test h2 { margin: 0 0 12px; font-size: 17px; }
.smtp-test-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; }
@media (max-width: 520px) { .smtp-test-row { grid-template-columns: 1fr; } }
.smtp-test-result { margin-top: 10px; color: var(--success); font-size: 13.5px; }
.smtp-test-result.error { color: var(--danger); }

/* ---- pricing ---- */
.calc { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 0; overflow: hidden; padding: 0; }
.calc-inputs { padding: 32px; }
.calc-inputs h2 { margin: 0 0 4px; font-size: 24px; letter-spacing: -.02em; }
.calc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.calc-grid label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 13.5px; }
.calc-unit { position: relative; }
.calc-unit span { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-weight: 400; }
.calc-result { display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 32px; background: var(--surface-2); border-left: 1px solid var(--line); }
.calc-result span { color: var(--text-2); }
.calc-result strong { font-size: 32px; line-height: 1.1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.calc-breakdown { display: flex; flex-wrap: wrap; gap: 6px; }
.calc-breakdown span { padding: 4px 10px; border-radius: var(--r-control); background: var(--fill); color: var(--text-2); font-size: 12.5px; }
.calc-note { margin: 16px 0 0; color: var(--text-2); font-size: 13px; }
@media (max-width: 800px) { .calc { grid-template-columns: 1fr; } .calc-result { border-left: 0; border-top: 1px solid var(--line); } .calc-grid { grid-template-columns: 1fr; } }

.rate-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.rate-table th, .rate-table td { padding: 16px 24px; text-align: left; border-bottom: 1px solid var(--line); }
.rate-table thead th { padding-top: 12px; padding-bottom: 12px; background: var(--surface-2); color: var(--text-2); font-size: 13px; font-weight: 500; }
.rate-table tbody tr:last-child > * { border-bottom: 0; }
.rate-table td:last-child, .rate-table th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.rate-table details { display: inline-block; margin-left: 6px; }
.rate-table summary { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--fill); color: var(--text-2); font-size: 11px; font-weight: 700; cursor: pointer; list-style: none; }
.rate-table summary::-webkit-details-marker { display: none; }
.rate-table details p { margin: 8px 0 0; max-width: 360px; color: var(--text-2); font-size: 13px; font-weight: 400; }
.rate-dates { display: flex; flex-wrap: wrap; gap: 16px; color: var(--text-2); font-size: 13.5px; }
.rate-dates b { color: var(--text); font-weight: 600; }

/* ---- policies ---- */
.policy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.policy-card { display: flex; flex-direction: column; gap: 8px; padding: 22px 24px; border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-card); color: var(--text); transition: box-shadow var(--dur) var(--ease); }
.policy-card:hover { box-shadow: 0 0 0 1px var(--accent); text-decoration: none; }
.policy-card strong { font-size: 17px; }
.policy-card small { color: var(--text-2); font-size: 14px; line-height: 1.5; }

.doc-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; align-items: start; }
.doc-nav { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 2px; }
.doc-nav strong { padding: 0 12px 10px; font-size: 13px; color: var(--text-3); }
.doc-nav a { padding: 8px 12px; border-radius: var(--r-control); color: var(--text-2); font-size: 14px; }
.doc-nav a:hover { background: var(--fill); color: var(--text); text-decoration: none; }
.doc-nav a.active { background: var(--accent-tint); color: var(--accent-text); font-weight: 600; }
.doc { max-width: 760px; }
.doc .doc h1 { margin: 0; font-size: clamp(32px, 5vw, 48px); line-height: 1.1; letter-spacing: -.03em; }
.doc-intro { margin: 16px 0 0; color: var(--text-2); font-size: 19px; line-height: 1.5; }
.doc-meta { display: flex; gap: 16px; margin: 18px 0 28px; color: var(--text-3); font-size: 13px; }
.doc-toc { display: flex; flex-direction: column; gap: 6px; margin-bottom: 36px; padding: 20px 24px; border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-card); }
.doc-toc strong { font-size: 13px; color: var(--text-3); margin-bottom: 4px; }
.doc-toc a { font-size: 14.5px; }
.doc section { margin-bottom: 36px; scroll-margin-top: 80px; }
.doc section h2 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.015em; }
.doc section p, .doc section li { color: var(--text); font-size: 16px; line-height: 1.7; }
.doc section ul { padding-left: 22px; }
.doc-contact { margin-top: 40px; padding: 24px; border-radius: var(--r-lg); background: var(--accent-tint); }
.doc-contact strong { display: block; margin-bottom: 6px; font-size: 17px; }
.doc-contact p { margin: 0 0 10px; color: var(--text); }
.doc-translation { margin-bottom: 24px; padding: 18px 20px; border-radius: var(--r-md); background: var(--warning-tint); }
.doc-translation p { margin: 6px 0; }
.doc-original summary { margin-bottom: 20px; color: var(--accent-text); cursor: pointer; }
@media (max-width: 860px) { .doc-layout { grid-template-columns: 1fr; gap: 20px; } .doc-nav { position: static; flex-direction: row; overflow-x: auto; } .doc-nav strong { display: none; } .doc-nav a { white-space: nowrap; } }

/* ---- contact ---- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.contact-card { display: flex; flex-direction: column; gap: 8px; }
.contact-card h2 { margin: 0; font-size: 21px; letter-spacing: -.015em; }
.contact-card p { margin: 0 0 8px; color: var(--text-2); }
.contact-card .mail { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-weight: 600; }

/* ---- policy admin ---- */
.admin-page { width: min(1040px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0 24px; }
.admin-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-head h1 { margin: 4px 0 6px; font-size: 32px; letter-spacing: -.025em; }
.admin-head p { margin: 0; color: var(--text-2); }
.admin-page .card { margin-bottom: 20px; }
.admin-page .card h2 { margin: 0 0 4px; font-size: 19px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.pill-tabs { display: inline-flex; flex-wrap: wrap; gap: 2px; margin: 8px 0 20px; padding: 3px; border-radius: var(--r-control); background: var(--fill); }
.pill-tabs a { padding: 6px 14px; border-radius: var(--r-control); color: var(--text-2); font-size: 13.5px; font-weight: 500; }
.pill-tabs a:hover { color: var(--text); text-decoration: none; }
.pill-tabs a.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.form-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.policy-body { font-family: var(--mono) !important; font-size: 13.5px !important; }
.auth-card h1 + .alert { margin-top: 20px; }
.card-flush { padding: 0; overflow: hidden; }