/* ════════════════════════════════════════════════════════════════════════════
   auth.css — Styles for /gold/auth.html and /gold/auth-register.html
   ────────────────────────────────────────────────────────────────────────────
   • inherits CSS variables from gold-trading.css (--gold-*, --bg, --surface, ...)
   • mobile-first: full-screen app on < 960px, centered card on desktop
   • RTL-aware (font-family: PeydaWeb, dir=rtl)
   • follows brand: gold accent, dark navy text, soft cream background
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Auth page body (overrides .gold-page on auth screens) ── */
body.gold-auth-page {
  background:
    radial-gradient(circle at 50% -10%, rgba(212, 175, 55, 0.12), transparent 55%),
    radial-gradient(circle at 90% 110%, rgba(212, 175, 55, 0.08), transparent 50%),
    var(--bg, #faf7f2);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}

/* Hide global app shells on auth page */
body.gold-auth-page > .site-header,
body.gold-auth-page > .site-footer,
body.gold-auth-page > .gold-header,
body.gold-auth-page > .gold-bottom-nav,
body.gold-auth-page .site-header,
body.gold-auth-page .site-footer {
  display: none !important;
}

/* ── Auth card container ── */
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface, #fff);
  border: 1px solid var(--border, #f0e6d3);
  border-radius: 24px;
  padding: 32px 24px;
  box-shadow: 0 10px 40px rgba(26, 26, 46, 0.08);
  position: relative;
  overflow: hidden;
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0; left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-300, #eccf72), var(--gold-500, #d4af37), var(--gold-700, #9a7d25));
}

/* ── Desktop side banner — hidden on mobile, shown on ≥960px ──
   Without this rule the desktop banner renders on mobile too, causing a
   repeated logo and unstyled trust text at the top of the auth card. */
.auth-brand-desktop {
  display: none;
}

/* ── Brand block at top of card ── */
.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}
.auth-brand-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  display: block;
}
.auth-brand-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--text, #1a1a2e);
  margin-bottom: 4px;
}
.auth-brand-tagline {
  font-size: 12px;
  color: var(--text-secondary, #6b7280);
  line-height: 1.6;
}

/* ── Desktop title block (shown on all sizes, centered above the form) ── */
.auth-desktop-title-wrap {
  text-align: center;
  margin-bottom: 24px;
}
.auth-desktop-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--text, #1a1a2e);
  margin: 0 0 8px;
}
.auth-desktop-subtitle {
  color: var(--text-secondary, #6b7280);
  font-size: 14px;
  margin: 0;
}

/* ── Tabs (Login | Register) ── */
.auth-tabs {
  display: flex;
  background: var(--gold-50, #fdf8e8);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 24px;
  position: relative;
}
.auth-tab {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary, #6b7280);
  cursor: pointer;
  border-radius: 9px;
  transition: all 0.25s ease;
}
.auth-tab.active {
  background: var(--surface, #fff);
  color: var(--gold-700, #9a7d25);
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.18);
}

/* ── Form fields ── */
.field-wrap {
  margin-bottom: 16px;
  position: relative;
}
.field-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text, #1a1a2e);
  margin-bottom: 6px;
}
.field-hint {
  font-size: 11px;
  color: var(--text-muted, #9ca3af);
  margin-bottom: 6px;
  line-height: 1.5;
}
.field-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border, #f0e6d3);
  border-radius: 12px;
  background: var(--surface, #fff);
  font-family: inherit;
  font-size: 15px;
  color: var(--text, #1a1a2e);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  text-align: right;
  direction: ltr; /* for phone/code/etc; Persian text inputs override */
}
.field-input::placeholder {
  color: var(--text-muted, #9ca3af);
  text-align: right;
}
.field-input:focus {
  border-color: var(--gold-500, #d4af37);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12);
}
.field-input.has-error {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.04);
}
.field-input[type="password"],
.field-input.input-ltr {
  direction: ltr;
  text-align: left;
}

/* Field with suffix (e.g. "تومان", "گرم") */
.field-with-suffix {
  position: relative;
}
.field-with-suffix .field-input {
  padding-left: 64px;
}
.field-suffix {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--text-muted, #9ca3af);
  pointer-events: none;
}

/* Field with leading icon (e.g. user icon) */
.field-with-icon {
  position: relative;
}
.field-with-icon .field-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--text-muted, #9ca3af);
  pointer-events: none;
}
.field-with-icon .field-input {
  padding-right: 44px;
}

/* Password toggle button */
.field-toggle-pw {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--text-muted, #9ca3af);
  font-size: 18px;
}
.field-toggle-pw:hover { color: var(--text, #1a1a2e); }

.field-error {
  font-size: 11px;
  color: #ef4444;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.field-error::before {
  content: '⚠';
  font-size: 12px;
}

/* ── Error banner at top of form ── */
.auth-error-banner {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #b91c1c;
  font-size: 13px;
  font-weight: 600;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.auth-error-banner i { font-size: 18px; }

/* ── Primary button ── */
.auth-btn {
  width: 100%;
  padding: 15px 20px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-400, #e5bf4a), var(--gold-600, #b8962e));
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s;
  box-shadow: 0 6px 18px rgba(184, 150, 46, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.auth-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(184, 150, 46, 0.36);
}
.auth-btn:active:not(:disabled) { transform: translateY(0) scale(0.99); }
.auth-btn:disabled { opacity: 0.65; cursor: not-allowed; }
.auth-btn.is-loading {
  pointer-events: none;
}
.auth-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  animation: auth-spin 0.7s linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }

/* Ghost button */
.auth-btn-ghost {
  background: transparent;
  color: var(--gold-700, #9a7d25);
  border: 1.5px solid var(--border, #f0e6d3);
  box-shadow: none;
}
.auth-btn-ghost:hover:not(:disabled) {
  background: var(--gold-50, #fdf8e8);
  border-color: var(--gold-300, #eccf72);
}

/* ── OTP input grid ── */
.otp-input-group {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 8px 0 16px;
  direction: ltr;
}
.otp-box {
  width: 56px;
  height: 64px;
  border: 1.5px solid var(--border, #f0e6d3);
  border-radius: 12px;
  background: var(--surface, #fff);
  text-align: center;
  font-family: inherit;
  font-size: 24px;
  font-weight: 900;
  color: var(--text, #1a1a2e);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.otp-box:focus {
  border-color: var(--gold-500, #d4af37);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
  transform: translateY(-1px);
}
.otp-box.has-error {
  border-color: #ef4444;
  animation: otp-shake 0.4s ease;
}
@keyframes otp-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}
@media (max-width: 380px) {
  .otp-box { width: 48px; height: 56px; font-size: 20px; }
}

/* ── OTP meta row ── */
.otp-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary, #6b7280);
  margin-bottom: 16px;
}
.otp-resend-btn {
  background: none;
  border: none;
  padding: 4px 8px;
  font-family: inherit;
  font-size: 12px;
  color: var(--gold-700, #9a7d25);
  cursor: pointer;
  font-weight: 700;
}
.otp-resend-btn:disabled,
.otp-resend-btn.counting {
  color: var(--text-muted, #9ca3af);
  cursor: not-allowed;
}

/* OTP hint text */
.otp-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary, #6b7280);
  margin-bottom: 12px;
  line-height: 1.7;
}
.otp-hint strong {
  color: var(--text, #1a1a2e);
  font-weight: 900;
}

/* ── Password strength meter ── */
.pw-strength-wrap {
  margin-top: 8px;
}
.pw-strength-bars {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}
.pw-strength-bar {
  flex: 1;
  height: 4px;
  background: var(--border, #f0e6d3);
  border-radius: 2px;
  transition: background 0.2s;
}
.pw-strength-meter.weak .pw-strength-bar.filled    { background: #ef4444; }
.pw-strength-meter.medium .pw-strength-bar.filled  { background: #f59e0b; }
.pw-strength-meter.strong .pw-strength-bar.filled  { background: #22c55e; }
.pw-strength-label {
  font-size: 11px;
  color: var(--text-muted, #9ca3af);
  font-weight: 600;
}
.pw-strength-label.weak   { color: #ef4444; }
.pw-strength-label.medium { color: #f59e0b; }
.pw-strength-label.strong { color: #22c55e; }

/* ── Login mode toggle (password ↔ OTP) ── */
.auth-mode-switch {
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-secondary, #6b7280);
}
.auth-mode-switch a {
  color: var(--gold-700, #9a7d25);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

/* ── Info note (the gold-tinted info box) ── */
.auth-note {
  background: var(--gold-50, #fdf8e8);
  border: 1px solid var(--gold-100, #f9edc5);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--gold-900, #5f4c16);
  line-height: 1.7;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.auth-note i {
  color: var(--gold-600, #b8962e);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Register wizard: step indicator ── */
.auth-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
  position: relative;
  padding: 0 8px;
}
.auth-steps::before {
  content: '';
  position: absolute;
  top: 14px;
  right: 24px;
  left: 24px;
  height: 2px;
  background: var(--border, #f0e6d3);
  z-index: 0;
}
.auth-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.auth-step-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface, #fff);
  border: 2px solid var(--border, #f0e6d3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--text-muted, #9ca3af);
  transition: all 0.25s;
}
.auth-step.active .auth-step-circle {
  background: var(--gold-500, #d4af37);
  border-color: var(--gold-500, #d4af37);
  color: #fff;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.35);
}
.auth-step.done .auth-step-circle {
  background: var(--gold-600, #b8962e);
  border-color: var(--gold-600, #b8962e);
  color: #fff;
}
.auth-step.done .auth-step-circle::before {
  content: '✓';
  font-size: 14px;
}
.auth-step.done .auth-step-circle-number { display: none; }
.auth-step-label {
  font-size: 10px;
  color: var(--text-muted, #9ca3af);
  font-weight: 700;
}
.auth-step.active .auth-step-label,
.auth-step.done .auth-step-label {
  color: var(--gold-700, #9a7d25);
}

/* ── Step content (only one visible at a time) ── */
.auth-step-content {
  display: none;
  animation: auth-fade-in 0.3s ease;
}
.auth-step-content.active {
  display: block;
}
@keyframes auth-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Birth date (3 separate fields) ── */
.date-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.date-row .field-wrap { margin-bottom: 0; }

/* ── Success / failure state block ── */
.auth-result {
  text-align: center;
  padding: 20px 0;
}
.auth-result-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}
.auth-result.success .auth-result-icon {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
}
.auth-result.error .auth-result-icon {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}
.auth-result-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--text, #1a1a2e);
  margin-bottom: 8px;
}
.auth-result-desc {
  font-size: 13px;
  color: var(--text-secondary, #6b7280);
  line-height: 1.7;
  margin-bottom: 20px;
}
.auth-result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Inline link ── */
.auth-inline-link {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-secondary, #6b7280);
}
.auth-inline-link a {
  color: var(--gold-700, #9a7d25);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

/* ── Demo hint (only shown in mock mode) ── */
.auth-demo-hint {
  margin-top: 18px;
  padding: 10px 12px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: 10px;
  font-size: 11px;
  color: #4f46e5;
  line-height: 1.7;
  text-align: center;
}
.auth-demo-hint code {
  background: rgba(99, 102, 241, 0.12);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-weight: 700;
  direction: ltr;
  display: inline-block;
}

/* ── Desktop adjustments ── */
@media (min-width: 960px) {
  body.gold-auth-page {
    display: block;
    align-items: unset;
    justify-content: unset;
    min-height: 100vh;
    padding: 0;
    background: var(--bg, #faf7f2);
  }

  body.gold-auth-page > .auth-card {
    margin: 60px auto;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 0;
    padding: 0;
    overflow: hidden;
    border-radius: 24px;
    box-shadow: 0 24px 64px rgba(26, 26, 46, 0.12), 0 8px 24px rgba(26, 26, 46, 0.06);
  }

  .auth-brand-desktop {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 64px 56px;
    background: radial-gradient(circle at 80% 20%, rgba(212,175,55,0.18) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(212,175,55,0.10) 0%, transparent 50%),
                linear-gradient(135deg, #1a1a2e 0%, #2d2d44 60%, #1a1a2e 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .auth-brand-desktop .auth-brand-logo {
    width: 96px; height: 96px; margin: 0 0 32px; border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .auth-brand-desktop-title {
    font-size: 32px; font-weight: 900; color: #fff; margin-bottom: 16px; line-height: 1.3;
  }
  .auth-brand-desktop-desc {
    font-size: 15px; line-height: 1.9; color: rgba(255,255,255,0.78); margin-bottom: 32px; max-width: 380px;
  }
  .auth-brand-desktop-features {
    margin-top: 0; list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px;
  }
  .auth-brand-desktop-features li {
    font-size: 14px; color: rgba(255,255,255,0.92); display: flex; align-items: center; gap: 12px; font-weight: 500;
  }
  .auth-brand-desktop-features li::before {
    content: '\2713'; color: var(--gold-400, #e5bf4a); font-weight: 900; font-size: 16px;
  }

  body.gold-auth-page > .auth-card > .auth-form-panel {
    padding: 64px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--surface, #fff);
  }
  body.gold-auth-page > .auth-card > .auth-form-panel > .auth-brand {
    display: none;
  }

  body.gold-auth-page .auth-tabs { margin-bottom: 32px; }
  body.gold-auth-page .auth-tab { padding: 14px 16px; font-size: 15px; }
  body.gold-auth-page .field-label { font-size: 14px; margin-bottom: 8px; }
  body.gold-auth-page .field-input { padding: 16px 18px; font-size: 16px; border-radius: 14px; }
  body.gold-auth-page .field-wrap { margin-bottom: 20px; }
  body.gold-auth-page .auth-btn { padding: 17px 24px; font-size: 16px; border-radius: 14px; }
  body.gold-auth-page .auth-note { padding: 16px 18px; font-size: 13px; margin-bottom: 24px; }
}

@media (min-width: 1400px) {
  body.gold-auth-page > .auth-card {
    max-width: 1200px;
    min-height: 640px;
  }
  body.gold-auth-page > .auth-card > .auth-form-panel,
  .auth-brand-desktop {
    padding: 72px 64px;
  }
  .auth-brand-desktop-title { font-size: 36px; }
  .auth-brand-desktop .auth-brand-logo { width: 104px; height: 104px; }
}

@media (max-width: 380px) {
  .auth-card { padding: 24px 18px; border-radius: 20px; }
  .auth-brand-logo { width: 56px; height: 56px; }
  .auth-brand-name { font-size: 16px; }
  .field-input { font-size: 14px; padding: 12px 14px; }
  .auth-btn { font-size: 14px; padding: 13px 18px; }
}