/* ═══════════════════════════════════════════════════════════════
   UniMate Auth — Premium compact card
   Apple / Stripe / Linear aesthetic · No-scroll · Light + Dark
   ═══════════════════════════════════════════════════════════════ */

/* ── Light tokens ────────────────────────────── */
:root {
  --au-bg: #f8f9fb;
  --au-surface: #ffffff;
  --au-text: #0f172a;
  --au-text-2: #475569;
  --au-text-3: #94a3b8;
  --au-border: #e2e8f0;
  --au-border-hover: #cbd5e1;
  --au-input-bg: #ffffff;
  --au-accent: #0ea5e9;
  --au-accent-hover: #0284c7;
  --au-accent-text: #ffffff;
  --au-accent-soft: rgba(14, 165, 233, 0.06);
  --au-accent-ring: rgba(14, 165, 233, 0.18);
  --au-err: #dc2626;
  --au-err-bg: #fef2f2;
  --au-ok: #16a34a;
  --au-ok-bg: #f0fdf4;
  --au-info-bg: rgba(14, 165, 233, 0.05);
  --au-info-text: #0369a1;
  --au-r: 12px;
  --au-r-sm: 10px;
  --au-font: 'Exo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --au-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --au-duration: 0.15s;
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; overflow: hidden; }
a { color: inherit; }

/* ── Page ────────────────────────────────────── */
body.auth-page {
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--au-bg);
  color: var(--au-text);
  font-family: var(--au-font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 20px 16px;
  overflow: hidden;
}

/* ── Card ────────────────────────────────────── */
.au-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: 16px;
  padding: 28px 28px 22px;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 0 0 1px rgba(15, 23, 42, 0.02),
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 4px 16px rgba(15, 23, 42, 0.06);
}

/* ── Logo ────────────────────────────────────── */
.au-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.au-logo img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
}
.au-logo-fb {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--au-accent) 0%, #0284c7 100%);
  color: var(--au-accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
}

/* ── Header ──────────────────────────────────── */
.au-head {
  text-align: center;
  margin-bottom: 14px;
}
.au-head h1 {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.025em;
  color: var(--au-text);
  margin-bottom: 2px;
}
.au-head p {
  font-size: 12.5px;
  color: var(--au-text-3);
  letter-spacing: -0.006em;
}

/* ── Alerts ──────────────────────────────────── */
.au-alert {
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.4;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 7px;
}
.au-alert i { margin-top: 1px; flex-shrink: 0; font-size: 12px; }
.au-alert--error {
  background: var(--au-err-bg);
  color: var(--au-err);
}
.au-alert--success {
  background: var(--au-ok-bg);
  color: var(--au-ok);
}
.au-alert--info {
  background: var(--au-info-bg);
  color: var(--au-info-text);
}

/* ── Form ────────────────────────────────────── */
.au-form {
  display: none;
  flex-direction: column;
  gap: 8px;
}
.au-form.active { display: flex; }

.au-field { display: flex; flex-direction: column; gap: 3px; }
.au-label {
  font-size: 12.5px;
  font-weight: 550;
  color: var(--au-text-2);
  letter-spacing: -0.006em;
}
.au-input {
  width: 100%;
  height: 36px;
  padding: 0 11px;
  font: inherit;
  font-size: 13.5px;
  color: var(--au-text);
  background: var(--au-input-bg);
  border: 1px solid var(--au-border);
  border-radius: 9px;
  outline: none;
  transition: border-color var(--au-duration) var(--au-ease),
              box-shadow var(--au-duration) var(--au-ease);
}
.au-input::placeholder { color: var(--au-text-3); }
.au-input:hover { border-color: var(--au-border-hover); }
.au-input:focus {
  border-color: var(--au-accent);
  box-shadow: 0 0 0 2px var(--au-accent-ring);
}
.au-input.is-invalid { border-color: var(--au-err); }
.au-input.is-invalid:focus { box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.12); }
.au-input.is-valid { border-color: var(--au-ok); }

select.au-input {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 30px;
}

textarea.au-input {
  height: auto;
  padding: 9px 11px;
  resize: vertical;
}

.au-hint {
  font-size: 11px;
  color: var(--au-text-3);
  line-height: 1.3;
}

/* ── Password wrapper ────────────────────────── */
.au-pw { position: relative; }
.au-pw .au-input { padding-right: 38px; }
.au-pw-toggle {
  position: absolute;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--au-text-3);
  border-radius: 7px;
  transition: color var(--au-duration), background var(--au-duration);
}
.au-pw-toggle:hover {
  color: var(--au-accent);
  background: var(--au-accent-soft);
}

/* ── Password strength ───────────────────────── */
.au-pw-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 1px;
}
.au-pw-track {
  flex: 1;
  height: 2.5px;
  background: var(--au-border);
  border-radius: 2px;
  overflow: hidden;
}
.au-pw-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 0.3s var(--au-ease), background 0.3s var(--au-ease);
}
.au-pw-fill[data-level="1"] { width: 25%; background: var(--au-err); }
.au-pw-fill[data-level="2"] { width: 50%; background: #f59e0b; }
.au-pw-fill[data-level="3"] { width: 75%; background: #22c55e; }
.au-pw-fill[data-level="4"] { width: 100%; background: var(--au-ok); }
.au-pw-text {
  font-size: 10.5px;
  font-weight: 500;
  min-width: 36px;
  transition: color 0.2s;
}
.au-pw-text[data-level="1"] { color: var(--au-err); }
.au-pw-text[data-level="2"] { color: #f59e0b; }
.au-pw-text[data-level="3"] { color: #22c55e; }
.au-pw-text[data-level="4"] { color: var(--au-ok); }

/* ── Button ──────────────────────────────────── */
.au-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 36px;
  padding: 0 16px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: all var(--au-duration) var(--au-ease);
  text-decoration: none;
  position: relative;
  letter-spacing: -0.006em;
}
.au-btn--primary {
  background: linear-gradient(180deg, var(--au-accent) 0%, var(--au-accent-hover) 100%);
  color: var(--au-accent-text);
  box-shadow:
    0 1px 2px rgba(14, 165, 233, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.au-btn--primary:hover {
  filter: brightness(1.06);
  box-shadow:
    0 2px 6px rgba(14, 165, 233, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.au-btn--primary:active {
  transform: scale(0.985);
  filter: brightness(0.97);
}

.au-btn--outline {
  background: var(--au-surface);
  color: var(--au-text);
  border: 1px solid var(--au-border);
}
.au-btn--outline:hover {
  border-color: var(--au-border-hover);
  background: var(--au-accent-soft);
}

.au-btn--loading {
  pointer-events: none;
  opacity: 0.6;
}
.au-btn--loading::after {
  content: '';
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: au-spin 0.5s linear infinite;
  margin-left: 6px;
}
@keyframes au-spin { to { transform: rotate(360deg); } }

/* ── Divider ─────────────────────────────────── */
.au-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}
.au-divider::before,
.au-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--au-border);
}
.au-divider span {
  font-size: 11.5px;
  color: var(--au-text-3);
  letter-spacing: 0.02em;
}

/* ── Google ───────────────────────────────────── */
.au-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 36px;
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: 9px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--au-text);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--au-duration);
  letter-spacing: -0.006em;
}
.au-google:hover {
  border-color: var(--au-border-hover);
  background: var(--au-accent-soft);
}
.au-google svg { flex-shrink: 0; }

/* ── Tabs (login page) ───────────────────────── */
.au-tabs {
  display: flex;
  background: rgba(14, 165, 233, 0.05);
  border-radius: 9px;
  padding: 3px;
  margin-bottom: 12px;
}
.au-tab {
  flex: 1;
  padding: 6px 0;
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--au-text-3);
  background: none;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  transition: all var(--au-duration);
  text-align: center;
  letter-spacing: -0.006em;
}
.au-tab:hover { color: var(--au-text-2); }
.au-tab.active {
  background: var(--au-surface);
  color: var(--au-accent);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  font-weight: 600;
}

/* ── Footer link ─────────────────────────────── */
.au-foot {
  text-align: center;
}
.au-foot p {
  font-size: 12.5px;
  color: var(--au-text-3);
  margin-top: 6px;
}
.au-foot p:first-child { margin-top: 0; }
.au-foot a {
  color: var(--au-accent);
  font-weight: 600;
  text-decoration: none;
}
.au-foot a:hover { text-decoration: underline; }

/* ── Stepper ─────────────────────────────────── */
.au-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 12px;
}
.au-step {
  display: flex;
  align-items: center;
}
.au-step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  background: var(--au-accent-soft);
  color: var(--au-text-3);
  border: 1.5px solid var(--au-border);
  transition: all 0.2s;
  flex-shrink: 0;
}
.au-step.active .au-step-dot {
  background: linear-gradient(135deg, var(--au-accent) 0%, #0284c7 100%);
  border-color: var(--au-accent);
  color: var(--au-accent-text);
  box-shadow: 0 0 0 2px var(--au-accent-ring);
}
.au-step.done .au-step-dot {
  background: var(--au-ok);
  border-color: var(--au-ok);
  color: #fff;
}
.au-step-line {
  width: 24px;
  height: 2px;
  background: var(--au-border);
  flex-shrink: 0;
  border-radius: 1px;
}
.au-step.done + .au-step .au-step-line,
.au-step.done .au-step-line {
  background: var(--au-ok);
}

/* ── Terms ───────────────────────────────────── */
.au-terms {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  color: var(--au-text-2);
  cursor: pointer;
}
.au-terms input[type="checkbox"] {
  width: 15px;
  height: 15px;
  margin-top: 1px;
  accent-color: var(--au-accent);
  flex-shrink: 0;
  cursor: pointer;
}
.au-terms a {
  color: var(--au-accent);
  font-weight: 500;
}
.au-terms a:hover { text-decoration: underline; }

/* ── Summary ─────────────────────────────────── */
.au-summary {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.au-summary-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 4px 0;
  border-bottom: 1px solid var(--au-border);
}
.au-summary-item:last-child { border-bottom: none; }
.au-summary-icon {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--au-accent-soft);
  color: var(--au-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}
.au-summary-text { flex: 1; min-width: 0; }
.au-summary-label {
  font-size: 10px;
  color: var(--au-text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
  line-height: 1.2;
}
.au-summary-value {
  font-size: 12.5px;
  color: var(--au-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* ── Verification code ───────────────────────── */
.au-code-wrap {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin: 2px 0;
}
.au-code-wrap input {
  width: 38px;
  height: 44px;
  text-align: center;
  font-family: var(--au-font);
  font-size: 20px;
  font-weight: 600;
  border: 1.5px solid var(--au-border);
  border-radius: 9px;
  background: var(--au-input-bg);
  color: var(--au-text);
  outline: none;
  transition: border-color var(--au-duration), box-shadow var(--au-duration);
  caret-color: var(--au-accent);
}
.au-code-wrap input:focus {
  border-color: var(--au-accent);
  box-shadow: 0 0 0 2px var(--au-accent-ring);
}
.au-code-wrap input.filled {
  border-color: var(--au-accent);
}

.au-verify-info {
  text-align: center;
  font-size: 12.5px;
  color: var(--au-text-2);
}
.au-verify-info strong { color: var(--au-text); font-weight: 600; }

/* ── Verify hero ─────────────────────────────── */
.au-verify-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 0 4px;
}
.au-verify-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--au-accent-soft), color-mix(in srgb, var(--au-accent) 12%, transparent));
  margin-bottom: 10px;
  position: relative;
}
.au-verify-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 19px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--au-accent) 20%, transparent), transparent 60%);
  z-index: -1;
}
.au-verify-icon i {
  font-size: 24px;
  color: var(--au-accent);
}
.au-verify-title {
  font-size: 16px;
  font-weight: 650;
  color: var(--au-text);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.au-verify-desc {
  font-size: 12.5px;
  color: var(--au-text-2);
  margin: 0;
  line-height: 1.3;
}
.au-verify-email {
  font-size: 13px;
  font-weight: 600;
  color: var(--au-text);
  margin: 2px 0 0;
  letter-spacing: 0.01em;
}

.au-resend {
  text-align: center;
}
.au-resend button {
  background: none;
  border: none;
  color: var(--au-accent);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 6px;
  transition: color var(--au-duration), background var(--au-duration);
}
.au-resend button:hover {
  background: var(--au-accent-soft);
}

/* ── Form navigation (back + submit) ─────────── */
.au-form-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 2px;
}
.au-form-nav .au-btn { flex: 1; }
.au-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--au-text-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color var(--au-duration), background var(--au-duration);
  white-space: nowrap;
}
.au-back:hover {
  color: var(--au-text);
  background: var(--au-accent-soft);
}
.au-back i { font-size: 11px; }
.au-resend-link {
  background: none;
  border: none;
  color: var(--au-accent);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 6px;
  transition: color var(--au-duration), background var(--au-duration);
}
.au-resend-link:hover { background: var(--au-accent-soft); }

/* ── Invite banner ───────────────────────────── */
.au-invite {
  padding: 7px 10px;
  background: var(--au-info-bg);
  color: var(--au-info-text);
  border-radius: 8px;
  font-size: 12.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 7px;
  line-height: 1.4;
}
.au-invite i { margin-top: 1px; font-size: 12px; flex-shrink: 0; }
.au-invite small { opacity: 0.75; }

/* ── Auth toolbar (theme toggle + lang) ──────── */
.au-toolbar {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 6px;
}
.au-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--au-border);
  border-radius: 8px;
  background: var(--au-surface);
  color: var(--au-text-2);
  cursor: pointer;
  font-size: 14px;
  transition: border-color var(--au-duration), color var(--au-duration), background var(--au-duration);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  flex-shrink: 0;
}
.au-theme-toggle:hover {
  border-color: var(--au-border-hover);
  color: var(--au-accent);
}

/* ── Custom language dropdown ────────────────── */
.au-lang-dd {
  position: relative;
}
.au-lang-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 32px;
  padding: 0 9px;
  border: 1px solid var(--au-border);
  border-radius: 8px;
  background: var(--au-surface);
  color: var(--au-text-2);
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--au-duration), color var(--au-duration);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  white-space: nowrap;
}
.au-lang-btn:hover { border-color: var(--au-border-hover); color: var(--au-text); }
.au-lang-btn i { font-size: 13px; }
.au-lang-chev {
  transition: transform var(--au-duration);
  opacity: 0.5;
}
.au-lang-dd.open .au-lang-chev { transform: rotate(180deg); }
.au-lang-menu {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  min-width: 140px;
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: 10px;
  padding: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px) scale(0.97);
  transition: opacity var(--au-duration), transform var(--au-duration), visibility var(--au-duration);
  z-index: 100;
}
.au-lang-dd.open .au-lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.au-lang-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--au-text-2);
  text-decoration: none;
  transition: background var(--au-duration), color var(--au-duration);
  cursor: pointer;
}
.au-lang-item:hover {
  background: var(--au-accent-soft);
  color: var(--au-text);
}
.au-lang-item.active {
  color: var(--au-accent);
  font-weight: 600;
}
.au-lang-item.active i {
  font-size: 11px;
}

/* Native <select>/<option> — force proper colors for macOS/browser rendering */
.au-card select:not(.ns-hidden-select) {
  color-scheme: light;
}
.au-card select:not(.ns-hidden-select) option {
  background: #ffffff;
  color: #0f172a;
  padding: 6px 10px;
}
.au-card select:not(.ns-hidden-select) option:checked {
  background: rgba(14, 165, 233, 0.10);
  color: #0284c7;
}

/* ── NiceSelect ──────────────────────────────── */
select.ns-hidden-select {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important;
  overflow: hidden !important; clip: rect(0,0,0,0) !important;
  border: 0 !important; opacity: 0 !important; pointer-events: none !important;
}
.nice-select { position: relative; }
.nice-select .ns-control {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  cursor: pointer; background: var(--au-input-bg);
  border: 1px solid var(--au-border); border-radius: 9px;
  padding: 0 11px; height: 36px;
  font: inherit; font-size: 13.5px; color: var(--au-text);
  transition: border-color var(--au-duration), box-shadow var(--au-duration);
}
.nice-select .ns-value { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nice-select .ns-arrow {
  flex-shrink: 0; width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 4px solid var(--au-text-3);
  transition: transform 0.15s;
}
.nice-select.open .ns-arrow { transform: rotate(180deg); }
.nice-select .ns-control:hover { border-color: var(--au-border-hover); }
.nice-select.open .ns-control,
.nice-select .ns-control:focus {
  border-color: var(--au-accent);
  box-shadow: 0 0 0 2px var(--au-accent-ring);
}
.nice-select .ns-dropdown {
  display: none; position: absolute; left: 0; right: 0; top: 100%; z-index: 100;
  background: var(--au-surface); border: 1px solid var(--au-border);
  border-radius: 9px; margin-top: 4px;
  max-height: 200px; overflow-y: auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  scrollbar-width: thin;
  scrollbar-color: var(--au-border-hover) transparent;
}
.nice-select .ns-dropdown::-webkit-scrollbar { width: 6px; }
.nice-select .ns-dropdown::-webkit-scrollbar-track { background: transparent; }
.nice-select .ns-dropdown::-webkit-scrollbar-thumb {
  background: var(--au-border-hover);
  border-radius: 3px;
}
.nice-select .ns-dropdown::-webkit-scrollbar-thumb:hover {
  background: var(--au-text-3);
}
.nice-select.open .ns-dropdown { display: block; }
.nice-select .ns-search {
  display: block; width: 100%; padding: 7px 11px;
  border: none; border-bottom: 1px solid var(--au-border);
  font: inherit; font-size: 13px;
  background: var(--au-surface); color: var(--au-text); outline: none;
}
.nice-select .ns-option {
  padding: 8px 11px; font-size: 13px; color: var(--au-text);
  cursor: pointer; transition: background 0.12s var(--au-ease), color 0.12s var(--au-ease);
  border-radius: 6px; margin: 2px 4px;
}
.nice-select .ns-option:hover { background: var(--au-accent-soft); color: var(--au-text); }
.nice-select .ns-option.selected {
  background: var(--au-accent-soft); color: var(--au-accent); font-weight: 600;
}
.nice-select .ns-option.focused {
  background: var(--au-accent-soft);
}
.nice-select .ns-group-label {
  padding: 5px 11px; font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--au-text-3); background: var(--au-bg);
}

/* ── Turnstile ───────────────────────────────── */
.cf-turnstile { margin: 2px 0; }

/* ═══════════════════════════════════════════════
   Dark Theme — matches main.css .theme-dark
   ═══════════════════════════════════════════════ */
.theme-dark body.auth-page,
.theme-dark.auth-page {
  --au-bg: #080b14;
  --au-surface: #0f1420;
  --au-text: #f1f5f9;
  --au-text-2: #94a3b8;
  --au-text-3: #64748b;
  --au-border: rgba(148, 163, 184, 0.10);
  --au-border-hover: rgba(148, 163, 184, 0.20);
  --au-input-bg: rgba(148, 163, 184, 0.06);
  --au-accent: #38bdf8;
  --au-accent-hover: #0ea5e9;
  --au-accent-text: #ffffff;
  --au-accent-soft: rgba(56, 189, 248, 0.06);
  --au-accent-ring: rgba(56, 189, 248, 0.15);
  --au-err: #f87171;
  --au-err-bg: rgba(220, 38, 38, 0.08);
  --au-ok: #4ade80;
  --au-ok-bg: rgba(22, 163, 74, 0.08);
  --au-info-bg: rgba(56, 189, 248, 0.05);
  --au-info-text: #7dd3fc;
}

.theme-dark .au-card {
  box-shadow:
    0 0 0 1px rgba(148, 163, 184, 0.06),
    0 2px 12px rgba(0, 0, 0, 0.25),
    0 16px 40px rgba(0, 0, 0, 0.30);
  border-color: rgba(148, 163, 184, 0.06);
}
.theme-dark .au-logo-fb {
  background: linear-gradient(135deg, var(--au-accent), #0284c7);
  color: #fff;
  box-shadow: 0 2px 10px rgba(56, 189, 248, 0.30);
}
.theme-dark .au-tab.active {
  background: rgba(148, 163, 184, 0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.20);
  color: var(--au-accent);
}
.theme-dark .au-tabs { background: rgba(148,163,184,0.04); }
.theme-dark .au-google {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148,163,184,0.10);
  color: var(--au-text);
}
.theme-dark .au-google:hover {
  background: rgba(56,189,248,0.06);
  border-color: rgba(56,189,248,0.18);
}
.theme-dark .au-summary-item { border-bottom-color: rgba(148,163,184,0.06); }
.theme-dark .au-summary-icon { background: rgba(56,189,248,0.06); color: var(--au-accent); }
.theme-dark .au-step-dot {
  background: rgba(56,189,248,0.05);
  border-color: rgba(148,163,184,0.12);
}
.theme-dark .au-code-wrap input {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148,163,184,0.10);
  color: var(--au-text);
}
.theme-dark .au-pw-toggle:hover { background: rgba(56,189,248,0.06); color: var(--au-accent); }
.theme-dark .au-pw-track { background: rgba(148,163,184,0.10); }
.theme-dark .au-foot { border-top-color: rgba(148,163,184,0.06); }
.theme-dark .nice-select .ns-dropdown {
  background: #151b28;
  border-color: rgba(148,163,184,0.12);
  box-shadow: 0 4px 24px rgba(0,0,0,0.45), 0 0 0 1px rgba(148,163,184,0.06);
  scrollbar-color: rgba(148,163,184,0.18) transparent;
}
.theme-dark .nice-select .ns-dropdown::-webkit-scrollbar-thumb {
  background: rgba(148,163,184,0.18);
}
.theme-dark .nice-select .ns-dropdown::-webkit-scrollbar-thumb:hover {
  background: rgba(148,163,184,0.30);
}
.theme-dark .nice-select .ns-search {
  background: #151b28; color: var(--au-text);
  border-bottom-color: rgba(148,163,184,0.08);
}
.theme-dark .nice-select .ns-search::placeholder { color: var(--au-text-3); }
.theme-dark .nice-select .ns-option { color: var(--au-text); }
.theme-dark .nice-select .ns-option:hover { background: rgba(56,189,248,0.08); color: #f1f5f9; }
.theme-dark .nice-select .ns-option.selected {
  background: rgba(56,189,248,0.12); color: var(--au-accent); font-weight: 600;
}
.theme-dark .nice-select .ns-option.focused { background: rgba(56,189,248,0.08); }
.theme-dark .nice-select .ns-group-label { background: #0f1420; color: var(--au-text-3); }
.theme-dark .au-btn--primary {
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
  box-shadow:
    0 1px 3px rgba(56, 189, 248, 0.20),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.theme-dark .au-btn--outline {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148,163,184,0.10);
  color: var(--au-text);
}
.theme-dark .au-btn--outline:hover {
  background: rgba(56,189,248,0.06);
  border-color: rgba(56,189,248,0.18);
}
/* ── Dark native <select>/<option> ──────────── */
.theme-dark .au-lang select option,
.theme-dark .au-card select option {
  background: #151b28;
  color: #f1f5f9;
}
.theme-dark .au-lang select option:checked,
.theme-dark .au-card select option:checked {
  background: rgba(56,189,248,0.15);
  color: #38bdf8;
}
.theme-dark .au-lang-btn {
  background: #0f1420;
  border-color: rgba(148,163,184,0.08);
  color: var(--au-text-2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.theme-dark .au-lang-btn:hover {
  border-color: rgba(148,163,184,0.18);
  color: var(--au-text);
}
.theme-dark .au-lang-menu {
  background: #151b28;
  border-color: rgba(148,163,184,0.10);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.20);
}
.theme-dark .au-lang-item { color: var(--au-text-2); }
.theme-dark .au-lang-item:hover {
  background: rgba(56,189,248,0.06);
  color: var(--au-text);
}
.theme-dark .au-lang-item.active { color: var(--au-accent); }
.theme-dark .au-card select:not(.ns-hidden-select) {
  color-scheme: dark;
}
.theme-dark .au-theme-toggle {
  background: #0f1420;
  border-color: rgba(148,163,184,0.08);
  color: var(--au-text-2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.theme-dark .au-theme-toggle:hover {
  border-color: rgba(56,189,248,0.25);
  color: var(--au-accent);
}
.theme-dark .au-resend button:hover { background: rgba(56,189,248,0.06); }
.theme-dark .au-input {
  border-color: rgba(148, 163, 184, 0.10);
  background: rgba(148, 163, 184, 0.06);
}
.theme-dark .au-input:hover { border-color: rgba(148, 163, 184, 0.18); }
.theme-dark .nice-select .ns-control {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148, 163, 184, 0.10);
}

/* ═══════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════ */
@media (max-width: 440px) {
  body.auth-page { padding: 0; }
  .au-card {
    max-width: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 20px 20px 28px;
    padding-top: max(20px, env(safe-area-inset-top, 0px));
    padding-bottom: max(28px, env(safe-area-inset-bottom, 0px));
    justify-content: center;
  }
  .au-toolbar { top: 10px; right: 10px; }
  .au-input, .nice-select .ns-control {
    font-size: 16px; /* prevent iOS zoom */
    height: 40px;
  }
  .au-btn { height: 40px; font-size: 14px; }
  .au-code-wrap input { width: 38px; height: 44px; font-size: 18px; }
  .nice-select .ns-search { font-size: 16px; }
  .au-form { gap: 10px; }
  .au-field { gap: 4px; }
}

/* ── Accessibility ───────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--au-accent);
  outline-offset: 2px;
}