/* X Trust — 客戶端 / 運營端統一登入 */

.auth-page,
.auth-shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-24);
  overflow: hidden;
  background:
    radial-gradient(ellipse 120% 80% at 10% -10%, rgba(255, 255, 255, 0.22), transparent 50%),
    radial-gradient(ellipse 90% 70% at 100% 100%, rgba(111, 120, 232, 0.45), transparent 55%),
    linear-gradient(155deg, #7a83eb 0%, #8891f2 38%, #727be8 72%, #656ecf 100%);
}

.auth-page__mesh,
.auth-page::before,
.auth-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
}

.auth-page__orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.auth-page__orbs::before,
.auth-page__orbs::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.auth-page__orbs::before {
  width: 420px;
  height: 420px;
  top: -120px;
  right: 8%;
  background: rgba(255, 255, 255, 0.18);
}

.auth-page__orbs::after {
  width: 320px;
  height: 320px;
  bottom: -80px;
  left: 5%;
  background: rgba(154, 162, 245, 0.35);
}

.auth-layout--premium,
.auth-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(0, 460px);
  gap: clamp(var(--spacing-24), 4vw, var(--spacing-56, 56px));
  max-width: 1040px;
  width: 100%;
  align-items: center;
}

/* ── 左側品牌區 ── */
.auth-hero,
.auth-panel {
  color: var(--color-snow);
  padding: var(--spacing-8) 0;
}

.auth-hero__badge,
.auth-panel__badge-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: var(--spacing-24);
  border-radius: var(--radius-pills);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.auth-hero__badge svg,
.auth-panel__badge-top svg {
  width: 14px;
  height: 14px;
}

.auth-hero h1,
.auth-panel__brand h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0;
  color: #fff;
}

.auth-hero__tagline,
.auth-panel__brand p {
  margin-top: var(--spacing-10, var(--spacing-8));
  font-size: var(--text-body-sm);
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.04em;
}

.auth-hero__desc,
.auth-panel__lead {
  margin: var(--spacing-20) 0 0;
  max-width: 360px;
  font-size: var(--text-body-sm);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
}

.auth-hero__features,
.auth-panel__modules {
  list-style: none;
  margin: var(--spacing-28) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10, var(--spacing-8));
}

.auth-hero__features li,
.auth-panel__modules li {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  padding: 10px 14px;
  border-radius: var(--radius-buttons);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: var(--text-body-sm);
  color: #fff;
  transition: background var(--transition), transform var(--transition);
}

.auth-hero__features li:hover,
.auth-panel__modules li:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(2px);
}

.auth-hero__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 10px rgba(52, 58, 130, 0.18);
}

.auth-hero__icon-wrap svg,
.auth-hero__icon-wrap .lucide,
.auth-hero .auth-panel__icon.lucide {
  width: 18px;
  height: 18px;
  color: #5a63d8;
  stroke: currentColor;
  stroke-width: 2.25;
  opacity: 1;
}

.auth-hero__badge svg,
.auth-panel__badge-top svg {
  width: 14px;
  height: 14px;
  color: #fff;
  opacity: 1;
}

.auth-hero__chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.auth-hero__chip-icon svg,
.auth-hero__chip svg,
.auth-panel__badge-icon.lucide {
  width: 13px;
  height: 13px;
  color: #fff;
  stroke-width: 2.25;
  opacity: 1;
}

.auth-hero__features svg,
.auth-panel__icon.lucide {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 1;
}

.auth-hero__chips,
.auth-panel__compliance {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
  margin-top: var(--spacing-28);
}

.auth-hero__chip,
.auth-panel__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pills);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}

.auth-hero__chip svg,
.auth-panel__badge-icon.lucide {
  width: 13px;
  height: 13px;
}

.auth-hero__footer,
.auth-panel__footer {
  margin-top: var(--spacing-40);
  font-size: var(--text-body-xs);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
}

/* ── 右側表單卡 ── */
.auth-main {
  width: 100%;
  display: flex;
  justify-content: center;
}

.auth-card,
.auth-form-card,
.admin-auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: clamp(var(--spacing-28), 4vw, var(--spacing-40));
  box-shadow:
    0 4px 6px rgba(88, 101, 180, 0.06),
    0 24px 64px rgba(63, 72, 158, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.75);
  position: relative;
  overflow: hidden;
}

.auth-card::before,
.auth-form-card::before,
.admin-auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8891f2, #9aa2f5, #727be8);
}

.auth-card--wide.auth-form-card {
  max-width: 560px;
}

.auth-card--wide.auth-form-card .auth-title {
  margin: 0;
}

.auth-card--wide.auth-form-card .auth-lead {
  margin: 0;
}

.auth-form-card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-28);
}

.auth-mark {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(145deg, #8891f2, #727be8);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: 0 8px 20px rgba(136, 145, 242, 0.35);
}

.auth-mark--admin {
  background: linear-gradient(145deg, #43465f, #5c6080);
  box-shadow: 0 8px 20px rgba(67, 70, 95, 0.28);
}

.auth-form-card__head-text .auth-title,
.admin-auth-card__head h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 4px;
  color: var(--color-not-quite-black);
}

.auth-form-card__head-text .auth-lead,
.admin-auth-card__head p {
  margin: 0;
  font-size: var(--text-body-sm);
  color: var(--sidebar-text-muted);
  line-height: 1.5;
}

.admin-auth-card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-28);
}

.admin-auth-card__head a {
  color: var(--color-blurple);
  font-weight: 600;
  text-decoration: none;
}

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

.auth-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--spacing-8);
  color: var(--color-not-quite-black);
}

.auth-lead {
  font-size: var(--text-body-sm);
  color: var(--sidebar-text-muted);
  margin-bottom: var(--spacing-24);
  line-height: 1.55;
}

.auth-form .form-group {
  margin-bottom: var(--spacing-20);
}

.auth-form .form-group label,
.auth-field label {
  display: block;
  font-size: var(--text-body-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sidebar-text-muted);
  margin-bottom: var(--spacing-8);
}

.auth-field {
  margin-bottom: var(--spacing-20);
}

.auth-field__wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-field__icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--color-greyple);
  pointer-events: none;
  z-index: 1;
}

.auth-field__wrap .form-control {
  padding-left: 44px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border-strong);
  background: #fafbff;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.auth-field__wrap .form-control:hover {
  border-color: rgba(136, 145, 242, 0.45);
}

.auth-field__wrap .form-control:focus {
  background: #fff;
  border-color: var(--color-blurple);
  box-shadow: var(--input-focus-ring);
}

.auth-form .btn-primary,
.admin-auth-card .btn-primary {
  height: 48px;
  border-radius: 12px;
  font-size: var(--text-body-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, #9199f4 0%, #8891f2 48%, #7a83eb 100%);
  border: none;
  box-shadow: 0 4px 14px rgba(136, 145, 242, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition);
}

.auth-form .btn-primary:hover:not(:disabled),
.admin-auth-card .btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(136, 145, 242, 0.45);
  background: linear-gradient(180deg, #969ef5 0%, #8e96f3 48%, #828bf0 100%);
}

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

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-24);
  padding-top: var(--spacing-20);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-body-sm);
  color: var(--sidebar-text-muted);
}

.auth-footer a {
  color: var(--color-blurple);
  font-weight: 600;
  text-decoration: none;
}

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

.auth-form-card__switch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--spacing-20);
  font-size: var(--text-body-xs);
  color: var(--sidebar-text-muted);
}

.auth-form-card__switch a {
  color: var(--color-blurple);
  font-weight: 600;
  text-decoration: none;
}

.auth-form-card .auth-steps {
  margin: 0 0 var(--spacing-24);
}

.auth-form-card .auth-tabs {
  margin-bottom: var(--spacing-16);
}

.auth-form-card .auth-lead--body {
  margin-bottom: var(--spacing-20);
  font-size: var(--text-body-sm);
  color: var(--sidebar-text-muted);
  line-height: 1.6;
}

.auth-form-card .auth-actions {
  margin-top: var(--spacing-28);
}

.auth-form-card .upload-zone {
  border-radius: 14px;
  border-color: var(--color-border-strong);
  background: #fafbff;
}

.auth-form-card .upload-zone:hover,
.auth-form-card .upload-zone.done {
  border-color: rgba(136, 145, 242, 0.5);
  background: rgba(136, 145, 242, 0.06);
}

/* OTP 優化 */
.otp-channel-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-10, var(--spacing-8));
  margin-bottom: var(--spacing-20);
}

.otp-channel-btn {
  padding: var(--spacing-14, var(--spacing-12)) var(--spacing-14, var(--spacing-12));
  border-radius: 12px;
  border: 1px solid var(--color-border-strong);
  background: #fafbff;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}

.otp-channel-btn:hover {
  border-color: rgba(136, 145, 242, 0.45);
  background: var(--color-trust-lavender);
}

.otp-channel-btn.active {
  border-color: var(--color-blurple);
  background: rgba(136, 145, 242, 0.12);
  box-shadow: var(--input-focus-ring);
}

.otp-channel-btn strong {
  display: block;
  font-size: var(--text-body-sm);
  color: var(--color-not-quite-black);
  margin-bottom: 2px;
}

.otp-channel-btn span {
  font-size: var(--text-body-xs);
  color: var(--sidebar-text-muted);
}

.otp-sent-msg {
  text-align: center;
  font-size: var(--text-body-sm);
  color: var(--sidebar-text-muted);
  margin-bottom: var(--spacing-20);
  padding: var(--spacing-10, var(--spacing-8)) var(--spacing-12);
  background: var(--color-trust-lavender);
  border-radius: var(--radius-sm);
}

.otp-inputs {
  display: flex;
  gap: var(--spacing-8);
  justify-content: center;
  margin-bottom: var(--spacing-24);
}

.otp-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-family: var(--font-numeric);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 12px;
  border: 1px solid var(--color-border-strong);
  background: #fafbff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.otp-input:focus {
  outline: none;
  border-color: var(--color-blurple);
  box-shadow: var(--input-focus-ring);
  background: #fff;
}

.otp-resend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-12);
  font-size: var(--text-body-xs);
  color: var(--sidebar-text-muted);
}

.otp-resend button {
  background: none;
  border: none;
  color: var(--color-blurple);
  font-weight: 600;
  cursor: pointer;
  font-size: inherit;
  padding: 0;
}

.otp-resend button:disabled {
  color: var(--color-greyple);
  cursor: not-allowed;
}

.auth-shell .toast-container {
  z-index: 200;
}

@media (max-width: 900px) {
  .auth-layout--premium,
  .auth-layout {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

  .auth-hero,
  .auth-panel,
  .admin-auth-panel {
    text-align: center;
    padding-bottom: 0;
  }

  .auth-hero__desc,
  .auth-panel__lead {
    margin-left: auto;
    margin-right: auto;
  }

  .auth-hero__features li,
  .auth-panel__modules li {
    justify-content: center;
  }

  .auth-hero__chips,
  .auth-panel__compliance {
    justify-content: center;
  }

  .auth-hero__footer,
  .auth-panel__footer {
    display: none;
  }

  .admin-auth-panel {
    display: none;
  }
}

@media (max-width: 480px) {
  .auth-page,
  .auth-shell,
  .admin-auth {
    padding: var(--spacing-16);
  }

  .auth-card,
  .auth-form-card,
  .admin-auth-card {
    padding: var(--spacing-24);
    border-radius: 16px;
  }

  .otp-input {
    width: 42px;
    height: 50px;
    font-size: 1.125rem;
  }
}