/**
 * Auth surfaces — Space Command sign-in
 */

body.ttb-auth-page {
  font-family: var(--ttb-font-body);
  margin: 0;
  min-height: 100vh;
  background: transparent;
  color: var(--ttb-ink);
}

body.ttb-auth-page .stars,
body.ttb-auth-page .twinkling {
  display: none !important;
}

body.ttb-auth-page .ttb-universe {
  z-index: 0;
}

/* ---------- Shell ---------- */
.ttb-auth-back {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--ttb-radius-pill);
  border: 1px solid var(--ttb-border-strong);
  background: oklch(0.16 0.04 265 / 0.88);
  color: var(--ttb-ink-muted);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    color var(--ttb-duration) var(--ttb-ease-out),
    border-color var(--ttb-duration) var(--ttb-ease-out),
    background var(--ttb-duration) var(--ttb-ease-out);
}

.ttb-auth-back:hover {
  color: var(--ttb-signal);
  border-color: var(--ttb-signal);
  background: oklch(0.2 0.045 265 / 0.95);
}

.ttb-auth-back:focus-visible {
  outline: 2px solid var(--ttb-signal);
  outline-offset: 2px;
}

.auth-container,
.ttb-auth-shell {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 4.5rem 1.25rem 2rem;
  box-sizing: border-box;
}

.auth-card,
.ttb-auth-panel {
  width: 100%;
  max-width: 26rem;
  padding: 1.75rem 1.75rem 2rem;
  border-radius: var(--ttb-radius-lg);
  background: oklch(0.2 0.04 265 / 0.92);
  border: 1px solid var(--ttb-border-strong);
  box-shadow: var(--ttb-shadow-lg);
  color: var(--ttb-ink);
}

.auth-card::before {
  display: none;
}

.auth-card:hover {
  transform: none;
}

/* ---------- Header ---------- */
.logo-container {
  text-align: center;
  margin: 0 0 1rem;
}

.auth-logo {
  width: 4rem;
  height: 4rem;
  margin: 0 auto;
  display: block;
  border-radius: var(--ttb-radius-md);
  border: 1px solid var(--ttb-border);
  box-shadow: var(--ttb-shadow-sm);
  animation: none;
}

.auth-logo:hover {
  transform: none;
  box-shadow: var(--ttb-shadow-md);
}

.auth-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-title,
body.ttb-auth-page h1.auth-title {
  margin: 0 0 0.35rem;
  font-family: var(--ttb-font-display);
  font-size: clamp(1.15rem, 3vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ttb-signal);
  line-height: 1.25;
}

.auth-subtitle {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ttb-ink-muted);
}

.ttb-auth-section-label {
  margin: 0 0 0.75rem;
  font-family: var(--ttb-font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ttb-ink-soft);
}

/* ---------- Flash ---------- */
.flash-message {
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--ttb-radius-sm);
  font-size: 0.9rem;
  line-height: 1.45;
  text-align: left;
}

.flash-message.success {
  background: oklch(0.26 0.06 145 / 0.35);
  border: 1px solid oklch(0.58 0.14 145 / 0.55);
  color: oklch(0.88 0.08 145);
  padding-left: 1rem;
}

.flash-message.success::before {
  display: none;
}

.flash-message.error {
  background: oklch(0.28 0.08 25 / 0.35);
  border: 1px solid oklch(0.55 0.18 25 / 0.55);
  color: oklch(0.9 0.06 25);
}

/* ---------- Forms ---------- */
.ttb-auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ttb-auth-field {
  position: relative;
}

.ttb-auth-input,
body.ttb-auth-page input[type="email"],
body.ttb-auth-page input[type="password"],
body.ttb-auth-page input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ttb-border);
  border-radius: var(--ttb-radius-sm);
  background: oklch(0.14 0.04 265);
  color: var(--ttb-ink);
  font-family: var(--ttb-font-body);
  font-size: 1rem;
  line-height: 1.4;
  transition:
    border-color var(--ttb-duration) var(--ttb-ease-out),
    box-shadow var(--ttb-duration) var(--ttb-ease-out);
}

.ttb-auth-input--mono {
  font-family: var(--ttb-font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-right: 2.75rem;
}

.ttb-auth-input::placeholder {
  color: var(--ttb-ink-soft);
  opacity: 1;
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--ttb-font-body);
}

.ttb-auth-input:focus,
body.ttb-auth-page input:focus {
  outline: none;
  border-color: var(--ttb-signal);
  box-shadow: 0 0 0 3px oklch(0.72 0.14 200 / 0.2);
}

.ttb-auth-field--code .ttb-auth-icon-btn {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: var(--ttb-radius-sm);
  background: transparent;
  color: var(--ttb-ink-soft);
  cursor: pointer;
  transition:
    color var(--ttb-duration) var(--ttb-ease-out),
    background var(--ttb-duration) var(--ttb-ease-out);
}

.ttb-auth-icon-btn:hover {
  color: var(--ttb-signal);
  background: oklch(0.24 0.05 200 / 0.35);
}

.ttb-auth-icon-btn:focus-visible {
  outline: 2px solid var(--ttb-signal);
  outline-offset: 2px;
}

.ttb-auth-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ttb-ink-soft);
  text-align: center;
}

.ttb-auth-hint[hidden] {
  display: none;
}

/* ---------- Buttons ---------- */
.ttb-auth-btn,
.auth-btn,
body.ttb-auth-page button[type="submit"]:not(.ttb-auth-icon-btn):not(.social-btn) {
  width: 100%;
  margin: 0;
  padding: 0.85rem 1.25rem;
  border: none;
  border-radius: var(--ttb-radius-pill);
  font-family: var(--ttb-font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    transform var(--ttb-duration) var(--ttb-ease-out),
    box-shadow var(--ttb-duration) var(--ttb-ease-out),
    opacity var(--ttb-duration) var(--ttb-ease-out);
}

.ttb-auth-btn--primary,
.auth-btn {
  background: linear-gradient(180deg, var(--ttb-signal), var(--ttb-signal-deep));
  color: oklch(0.12 0.04 265);
  box-shadow: var(--ttb-glow-signal);
}

.ttb-auth-btn--primary:hover:not(:disabled),
.auth-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--ttb-glow-signal), var(--ttb-shadow-md);
}

.ttb-auth-btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

.ttb-auth-btn--primary::before,
.auth-btn::before {
  display: none;
}

.ttb-auth-btn:disabled,
.auth-btn:disabled,
.social-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- Divider ---------- */
.ttb-auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--ttb-ink-soft);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

/* ---------- Social ---------- */
#social-login-container {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 0;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--ttb-radius-pill);
  border: 1px solid var(--ttb-border-strong);
  background: oklch(0.16 0.04 265);
  color: var(--ttb-ink);
  font-family: var(--ttb-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  transition:
    border-color var(--ttb-duration) var(--ttb-ease-out),
    background var(--ttb-duration) var(--ttb-ease-out),
    transform var(--ttb-duration) var(--ttb-ease-out);
}

.social-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--ttb-signal);
  background: oklch(0.2 0.045 265);
  box-shadow: var(--ttb-shadow-sm);
}

.social-btn i {
  font-size: 1.1rem;
}

.google-btn i {
  color: oklch(0.72 0.14 25);
}

#email-login-btn {
  border-color: var(--ttb-border-strong);
  background: oklch(0.14 0.04 265);
}

#email-login-form {
  margin-top: 0.75rem;
}

#email-login-form[hidden] {
  display: none !important;
}

/* ---------- Footer ---------- */
.security-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--ttb-radius-sm);
  border: 1px solid var(--ttb-border);
  background: oklch(0.16 0.04 265 / 0.65);
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--ttb-ink-muted);
}

.security-notice i {
  color: var(--ttb-signal);
  margin-top: 0.1rem;
}

.auth-link {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ttb-border);
  text-align: center;
  font-size: 0.9rem;
  color: var(--ttb-ink-muted);
}

.auth-link p {
  margin: 0;
}

.auth-link a,
body.ttb-auth-page a:not(.ttb-auth-back) {
  color: var(--ttb-signal);
  font-weight: 600;
  text-decoration: none;
}

.auth-link a:hover {
  text-decoration: underline;
}

.forgot-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

/* ---------- Legacy register overrides (shared auth-card) ---------- */
body.ttb-auth-page label {
  color: var(--ttb-ink-muted);
}

body.ttb-auth-page .form-group input {
  background: oklch(0.14 0.04 265);
  border-color: var(--ttb-border);
  color: var(--ttb-ink);
}

@media (max-width: 480px) {
  .auth-container,
  .ttb-auth-shell {
    padding: 4rem 1rem 1.5rem;
  }

  .auth-card,
  .ttb-auth-panel {
    padding: 1.5rem 1.25rem 1.75rem;
  }

  .ttb-auth-back {
    top: 0.65rem;
    left: 0.65rem;
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ttb-auth-btn:hover:not(:disabled),
  .social-btn:hover:not(:disabled),
  .ttb-role-card:hover {
    transform: none;
  }
}

/* ---------- Onboard role selection ---------- */
body.ttb-onboard-page {
  min-height: 100vh;
}

.ttb-onboard-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 4.5rem 1.25rem 2rem;
  box-sizing: border-box;
}

.ttb-onboard-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 56rem;
  margin: 0 auto;
  align-items: start;
  border-radius: var(--ttb-radius-lg);
}

html[data-ttb-theme="light"] .ttb-onboard-grid {
  padding: 1.5rem;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .ttb-onboard-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem;
  }

  .ttb-onboard-welcome {
    position: sticky;
    top: 5rem;
  }
}

.ttb-onboard-heading {
  margin: 0 0 0.35rem;
  font-family: var(--ttb-font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ttb-signal);
  line-height: 1.25;
}

.ttb-onboard-lead {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ttb-ink-muted);
}

.ttb-onboard-roles {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ttb-role-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-radius: var(--ttb-radius-md);
  border: 1px solid var(--ttb-border-strong);
  color: inherit;
  text-decoration: none;
  transition:
    border-color var(--ttb-duration) var(--ttb-ease-out),
    background var(--ttb-duration) var(--ttb-ease-out),
    transform var(--ttb-duration) var(--ttb-ease-out),
    box-shadow var(--ttb-duration) var(--ttb-ease-out);
}

html:not([data-ttb-theme="light"]) .ttb-role-card {
  background: oklch(0.18 0.04 265 / 0.88);
}

html:not([data-ttb-theme="light"]) .ttb-role-card:hover {
  border-color: var(--ttb-signal);
  background: oklch(0.22 0.045 265 / 0.95);
  transform: translateY(-1px);
  box-shadow: var(--ttb-shadow-md);
}

html[data-ttb-theme="light"] .ttb-role-card {
  background: oklch(0.99 0.008 90 / 0.96);
  border-color: var(--ttb-border);
  box-shadow: var(--ttb-shadow-sm);
}

html[data-ttb-theme="light"] .ttb-role-card:hover {
  border-color: oklch(0.72 0.12 195 / 0.45);
  background: oklch(0.96 0.02 195 / 0.5);
  transform: translateY(-1px);
  box-shadow: var(--ttb-shadow-md);
}

.ttb-role-card:focus-visible {
  outline: 2px solid var(--ttb-signal);
  outline-offset: 3px;
}

.ttb-role-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--ttb-radius-sm);
  border: 1px solid var(--ttb-border);
  font-size: 1.15rem;
}

html:not([data-ttb-theme="light"]) .ttb-role-card__icon {
  background: oklch(0.14 0.04 265);
  color: var(--ttb-signal);
}

html[data-ttb-theme="light"] .ttb-role-card__icon {
  background: oklch(0.96 0.02 195 / 0.7);
  border-color: oklch(0.72 0.12 195 / 0.35);
  color: var(--ttb-signal-deep);
}

.ttb-role-card__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ttb-role-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ttb-ink);
}

html[data-ttb-theme="light"] .ttb-role-card__title {
  color: var(--ttb-ink);
}

.ttb-role-card__desc {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--ttb-ink-soft);
}

.ttb-role-card__arrow {
  flex-shrink: 0;
  color: var(--ttb-ink-soft);
  font-size: 0.9rem;
  transition:
    color var(--ttb-duration) var(--ttb-ease-out),
    transform var(--ttb-duration) var(--ttb-ease-out);
}

.ttb-role-card:hover .ttb-role-card__arrow {
  color: var(--ttb-signal);
  transform: translateX(3px);
}

.ttb-onboard-signin {
  margin-top: 0.75rem;
  padding-top: 0;
  border-top: none;
  text-align: left;
}

.ttb-onboard-welcome.ttb-auth-panel {
  max-width: none;
  width: 100%;
  box-sizing: border-box;
}

.ttb-onboard-welcome {
  padding: 1.75rem;
}

html[data-ttb-theme="light"] .ttb-onboard-welcome.ttb-auth-panel {
  background: oklch(0.99 0.006 90 / 0.98);
  border: 1px solid var(--ttb-border);
  box-shadow: var(--ttb-shadow-sm);
}

html[data-ttb-theme="light"] .ttb-onboard-heading {
  color: var(--ttb-signal-deep);
}

html[data-ttb-theme="light"] .ttb-onboard-welcome__title {
  color: var(--ttb-signal-deep);
}

html[data-ttb-theme="light"] .ttb-onboard-logo {
  border-color: var(--ttb-border);
  box-shadow: var(--ttb-shadow-sm);
}

.ttb-onboard-logo {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1rem;
  border-radius: var(--ttb-radius-md);
  border: 1px solid var(--ttb-border);
}

.ttb-onboard-welcome__title {
  margin: 0 0 0.5rem;
  font-family: var(--ttb-font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ttb-signal);
}

.ttb-onboard-welcome__subtitle {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ttb-ink-muted);
  max-width: 36ch;
}

.ttb-onboard-features {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ttb-onboard-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ttb-ink-muted);
}

.ttb-onboard-features i {
  width: 1.1rem;
  margin-top: 0.15rem;
  color: var(--ttb-signal);
  text-align: center;
}