/* ============================================================
   THEFA Core — sub-page styles
   Shared by demo.html, console.html, and the shell pages
   (login / signup / contact).
   ============================================================ */

/* ---------------- page hero ---------------- */

.page-hero {
  position: relative;
  background: var(--ink-800);
  padding-block: clamp(34px, 5vw, 64px) clamp(44px, 6vw, 78px);
  overflow: hidden;
  isolation: isolate;
}
.page-hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(940px 440px at 82% 0%, rgba(214, 190, 136, 0.06), transparent 62%),
    linear-gradient(180deg, #21201D, #1B1A18);
}
.page-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
  margin-top: 26px;
}
@media (max-width: 960px) { .page-hero__inner { grid-template-columns: minmax(0, 1fr); } }

.crumbs {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--fs-caption);
  color: var(--tx-on-dark-dim);
}
.crumbs a { color: var(--tx-on-dark-muted); display: inline-flex; align-items: center; min-height: 44px; }
.crumbs a:hover { color: var(--gold-text); }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
  border-radius: var(--r-card);
  overflow: hidden;
}
.meta-grid > div { background: var(--ink-800); padding: 16px 18px; }
.meta-grid dt {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-caption);
  letter-spacing: 0;
  text-transform: none;
  color: var(--tx-on-dark-dim);
  margin-bottom: 7px;
}
.meta-grid dd { margin: 0; font-size: var(--fs-small); font-weight: 600; }
@media (max-width: 420px) { .meta-grid { grid-template-columns: minmax(0, 1fr); } }

.demo-notice {
  margin-top: 26px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--gold-edge);
  border-radius: var(--r-card);
  background: var(--gold-wash);
}
.demo-notice .badge { flex: none; margin-top: 2px; }
.demo-notice p { font-size: var(--fs-caption); line-height: 1.7; color: var(--tx-on-dark-muted); }
.demo-notice strong { color: var(--tx-on-dark); }

/* demo full width: controls wider on tablets */
.demo--full .demo__stage { min-height: 480px; }
@media (max-width: 1024px) { .demo--full .demo__stage { min-height: 0; } }

.dim-arrow { color: var(--tx-on-dark-dim); }

/* ---------------- limits list ---------------- */

.limit-list { display: grid; gap: 0; border-top: 1px solid var(--paper-line); }
.limit-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--paper-line);
  font-size: var(--fs-small);
  color: var(--tx-on-light-muted);
}
.limit-list__mark {
  font-family: var(--font-mono);
  color: var(--gold-on-light);
  font-weight: 700;
  line-height: 1.7;
}
.limit-list strong { color: var(--tx-on-light); }

/* ---------------- console page ---------------- */

.console-page { background: var(--ink-900); }
.console-shell {
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--r-card-lg);
  background: var(--ink-850);
  overflow: hidden;
  box-shadow: var(--shadow-pop);
}
.console-shell__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--ink-line);
  background: rgba(255, 255, 255, 0.03);
}
.console-shell__bar img { height: 18px; width: auto; }
.console-shell__bar .badge { margin-left: auto; }
.console-shell__title { font-family: var(--font-mono); font-size: var(--fs-caption); letter-spacing: 0.08em; text-transform: uppercase; color: var(--tx-on-dark-muted); }

.console-views { display: grid; grid-template-columns: 208px minmax(0, 1fr); min-height: 520px; }
@media (max-width: 900px) { .console-views { grid-template-columns: minmax(0, 1fr); } }

.console-views__nav { border-right: 1px solid var(--ink-line); padding: 14px 10px; display: grid; gap: 3px; align-content: start; }
@media (max-width: 900px) {
  .console-views__nav { border-right: 0; border-bottom: 1px solid var(--ink-line); display: flex; gap: 6px; overflow-x: auto; padding: 10px 12px; }
}
.console-views__nav button {
  display: flex; align-items: center; gap: 10px;
  min-height: 46px; padding: 10px 12px;
  border-radius: var(--r-sm);
  font-size: var(--fs-caption);
  color: var(--tx-on-dark-dim);
  text-align: left;
  white-space: nowrap;
  border: 1px solid transparent;
}
.console-views__nav button:hover { background: rgba(255, 255, 255, 0.04); color: var(--tx-on-dark); }
.console-views__nav button[aria-current="true"] { background: var(--gold-wash-strong); border-color: var(--gold-edge); color: var(--gold-text); font-weight: 600; }
.console-views__nav i { width: 8px; height: 8px; border: 1px solid currentColor; border-radius: 2px; flex: none; }

.console-views__main { padding: clamp(16px, 2vw, 24px); display: grid; gap: 18px; align-content: start; }
.console-view { display: grid; gap: 18px; }
.console-view__head { display: grid; gap: 8px; }
.console-view__head h2 { font-size: var(--fs-h3); }
.console-view__head p { font-size: var(--fs-small); color: var(--tx-on-dark-muted); max-width: 70ch; }

.empty-state {
  border: 1px dashed var(--ink-line-strong);
  border-radius: var(--r-ctl);
  padding: 26px 22px;
  display: grid;
  gap: 10px;
  justify-items: start;
}
.empty-state h3 { font-size: var(--fs-h4); }
.empty-state p { font-size: var(--fs-caption); color: var(--tx-on-dark-muted); max-width: 62ch; }

.table-simple { border: 1px solid var(--ink-line); border-radius: var(--r-ctl); overflow: hidden; }
.table-simple__row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 13px 15px;
  background: var(--ink-800);
  border-bottom: 1px solid var(--ink-line);
  font-size: var(--fs-caption);
}
.table-simple__row:last-child { border-bottom: 0; }
.table-simple__row[data-head="true"] {
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--tx-on-dark-dim);
}
@media (max-width: 620px) {
  .table-simple__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .table-simple__row[data-head="true"] { display: none; }
  .table-simple__spacer { display: none; }
}
.table-simple__k { color: var(--tx-on-dark); font-weight: 600; }
.table-simple__sub { display: block; font-size: var(--fs-caption); color: var(--tx-on-dark-dim); margin-top: 4px; }

/* ---------------- shared page footer band ---------------- */

.page-foot-note {
  border-top: 1px solid var(--ink-line);
  margin-top: 34px;
  padding-top: 20px;
  display: grid;
  gap: 10px;
}

/* ---------------- contact page ---------------- */

.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(18px, 2.6vw, 40px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }

.relay-card {
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--r-card);
  background: var(--ink-900);
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 18px;
}
.relay-steps { display: grid; gap: 0; }
.relay-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--ink-line);
  align-items: start;
}
.relay-steps li:last-child { border-bottom: 0; }
.relay-steps__n {
  width: 28px; height: 28px;
  border: 1px solid var(--gold-edge);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: var(--fs-meta);
  color: var(--gold-text);
}
.relay-steps__t { font-size: var(--fs-small); font-weight: 600; display: block; margin-bottom: 4px; }
.relay-steps__d { font-size: var(--fs-caption); color: var(--tx-on-dark-muted); }

.legal-note {
  border: 1px solid var(--paper-line);
  border-radius: var(--r-card);
  background: var(--paper-000);
  padding: clamp(20px, 2.4vw, 28px);
  display: grid;
  gap: 14px;
}
.legal-note h2 { font-size: var(--fs-h3); }
.legal-note p { font-size: var(--fs-small); color: var(--tx-on-light-muted); }

/* ---------------- auth pages ---------------- */

.auth-note {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--gold-edge);
  border-radius: var(--r-ctl);
  background: var(--gold-wash);
  font-size: var(--fs-caption);
  color: var(--tx-on-dark-muted);
  display: grid;
  gap: 8px;
}
.auth-note strong { color: var(--gold-text); }

/* ============================================================
   SOCIAL / SIMPLE SIGN-IN
   The pattern users already know from ChatGPT and Claude: provider
   buttons first, a rule, then email. Buttons are full-width rows with a
   fixed-size mark on the left and a centred label, so the column stays
   optically aligned no matter how long the translated label gets.
   ============================================================ */

.sso-list { display: grid; gap: 10px; }

.sso-btn {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--r-ctl);
  background: rgba(255, 255, 255, 0.035);
  color: var(--tx-on-dark);
  font-size: var(--fs-small);
  font-weight: 600;
  text-align: center;
  word-break: keep-all;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.sso-btn:hover { background: rgba(255, 255, 255, 0.07); border-color: var(--ink-500); transform: translateY(-1px); }
.sso-btn:active { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .sso-btn:hover { transform: none; } }
.sso-btn__mark { width: 22px; height: 22px; display: grid; place-items: center; }
.sso-btn__mark svg { display: block; }
/* The trailing cell balances the leading mark so the label is centred on
   the button, not on the space left over beside the logo. */
.sso-btn__spacer { width: 22px; }

.sso-btn[data-provider="apple"] .sso-btn__mark svg { fill: var(--tx-on-dark); }
.sso-btn[data-provider="github"] .sso-btn__mark svg { fill: var(--tx-on-dark); }

/* While a provider hand-off is in flight */
.sso-btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

.sso-divider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  margin: 22px 0;
  font-size: var(--fs-caption);
  color: var(--tx-on-dark-dim);
}
.sso-divider::before, .sso-divider::after {
  content: "";
  height: 1px;
  background: var(--ink-line);
}

.auth-switch {
  margin-top: 18px;
  font-size: var(--fs-small);
  color: var(--tx-on-dark-muted);
  text-align: center;
}
.auth-switch a { color: var(--gold-text); font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

.auth-legal {
  margin-top: 18px;
  font-size: var(--fs-caption);
  line-height: 1.65;
  color: var(--tx-on-dark-dim);
  text-align: center;
}
.auth-legal a { color: var(--tx-on-dark-muted); text-decoration: underline; text-underline-offset: 2px; }
.auth-legal a:hover { color: var(--gold-text); }

/* ============================================================
   CONTACT FORM
   ============================================================ */

.contact-form { display: grid; gap: 0; }
.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}
@media (max-width: 620px) { .form-row { grid-template-columns: minmax(0, 1fr); } }

.form-consent {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin: 6px 0 18px;
  padding: 14px 16px;
  border: 1px solid var(--ink-line);
  border-radius: var(--r-ctl);
  background: rgba(255, 255, 255, 0.022);
  font-size: var(--fs-caption);
  line-height: 1.65;
  color: var(--tx-on-dark-muted);
  cursor: pointer;
}
.form-consent input[type="checkbox"] {
  width: 22px; height: 22px;
  margin: 1px 0 0;
  accent-color: #C8A95F;
  cursor: pointer;
  flex: none;
}
.form-consent a { color: var(--gold-text); text-decoration: underline; text-underline-offset: 2px; }
.form-consent[data-invalid="true"] { border-color: #C9736A; background: rgba(201, 115, 106, 0.07); }

/* honeypot: present for bots, invisible and unreachable for people */
.hp-field {
  position: absolute !important;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.form-actions .btn { flex: 0 1 auto; }
@media (max-width: 480px) {
  .form-actions { display: grid; }
  .form-actions .btn { width: 100%; }
}

/* result panel shown after a successful hand-off */
.form-done {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(124, 196, 154, 0.45);
  border-radius: var(--r-card);
  background: rgba(124, 196, 154, 0.06);
  display: grid;
  gap: 12px;
}
.form-done__title {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--fs-h4); font-weight: 700; color: var(--state-ok-text);
}
.form-done__title svg { flex: none; }
.form-done p { font-size: var(--fs-caption); line-height: 1.7; color: var(--tx-on-dark-muted); }
.form-done .btn-row { margin-top: 2px; }

.form-fallback {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--gold-edge);
  border-radius: var(--r-card);
  background: var(--gold-wash);
  display: grid;
  gap: 12px;
  font-size: var(--fs-caption);
  line-height: 1.7;
  color: var(--tx-on-dark-muted);
}
.form-fallback strong { color: var(--gold-text); }
.form-fallback textarea {
  width: 100%;
  min-height: 170px;
  padding: 13px 15px;
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--r-ctl);
  background: var(--ink-950);
  color: var(--tx-on-dark);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  line-height: 1.7;
  resize: vertical;
}

/* contact channel cards */
.channel-grid { display: grid; gap: 12px; }
.channel {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--r-card);
  background: rgba(255, 255, 255, 0.022);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.channel:hover { border-color: var(--gold-edge-strong); background: var(--gold-wash); }
.channel__icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--gold-edge);
  border-radius: var(--r-ctl);
  color: var(--gold-text);
  flex: none;
}
.channel__t { display: block; font-size: var(--fs-small); font-weight: 600; color: var(--tx-on-dark); }
.channel__d { display: block; font-size: var(--fs-caption); color: var(--tx-on-dark-dim); margin-top: 3px; overflow-wrap: anywhere; }
.channel__go { color: var(--tx-on-dark-dim); flex: none; }
.channel:hover .channel__go { color: var(--gold-text); }
@media (max-width: 480px) {
  .channel { grid-template-columns: 42px minmax(0, 1fr); }
  .channel__go { display: none; }
}