/* ============================================================
   Auth pages — shared shell for login + register.
   ============================================================ */

.auth {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: var(--sp-7) var(--sp-4);
  background:
    radial-gradient(circle at 20% 30%, rgba(201, 169, 97, 0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(122, 31, 31, 0.07), transparent 55%),
    var(--color-bg-alt);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.auth::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("../svg/paisley-watermark.5487159d7eb2.svg") left -100px top 50% / 500px no-repeat,
    url("../svg/paisley-watermark.5487159d7eb2.svg") right -100px bottom 10% / 400px no-repeat;
  opacity: 0.05;
  z-index: -1;
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--r-lg);
  padding: var(--sp-7) var(--sp-6);
  box-shadow: var(--shadow-2);
  position: relative;
}

.auth-card__brand {
  text-align: center;
  margin-bottom: var(--sp-5);
}
.auth-card__brand img {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--sp-3);
}
.auth-card__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: var(--tracking-tight);
}
.auth-card__brand-tag {
  font-family: var(--font-deva);
  color: var(--color-gold-deep);
  font-size: 0.95rem;
  margin-top: 2px;
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 600;
  margin-bottom: var(--sp-2);
  text-align: center;
}
.auth-card__lead {
  text-align: center;
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  margin-bottom: var(--sp-5);
}

/* Tabs (Email · Phone) */
.auth-tabs {
  display: flex;
  background-color: var(--color-bg-alt);
  border-radius: var(--r-pill);
  padding: 4px;
  margin-bottom: var(--sp-5);
}
.auth-tab {
  flex: 1;
  padding: 10px 16px;
  background: none;
  border: 0;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}
.auth-tab.is-active {
  background-color: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

.auth-pane {
  display: none;
}
.auth-pane.is-active {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.auth-form-row {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.auth-form__forgot {
  text-align: right;
  font-size: var(--fs-tiny);
  color: var(--color-primary);
  font-weight: 600;
  margin-top: -8px;
}

.auth-form__cta {
  margin-top: var(--sp-2);
  width: 100%;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin: var(--sp-4) 0;
  color: var(--color-muted);
  font-size: var(--fs-tiny);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--color-line);
}

/* Google button */
.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 12px 24px;
  min-height: 48px;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--r-pill);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-body);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}
.btn-google:hover {
  border-color: var(--color-ink-soft);
  background-color: var(--color-bg);
}
.btn-google svg { flex-shrink: 0; }

.auth-card__footer {
  text-align: center;
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-line);
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
}
.auth-card__footer a {
  color: var(--color-primary);
  font-weight: 600;
}

/* ====================================================
   OTP input (6 digits)
   ==================================================== */
.otp-group {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  margin-block: var(--sp-3);
}
.otp-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  border: 1.5px solid var(--color-line);
  border-radius: var(--r-md);
  background-color: var(--color-surface);
  color: var(--color-ink);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  -moz-appearance: textfield;
  appearance: textfield;
}
.otp-input::-webkit-outer-spin-button,
.otp-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.otp-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--rgb-primary), 0.12);
}
.otp-input.is-filled {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.otp-resend {
  text-align: center;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  margin-top: var(--sp-3);
}
.otp-resend button {
  color: var(--color-primary);
  font-weight: 600;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}
.otp-resend button:disabled {
  color: var(--color-muted);
  cursor: not-allowed;
}

/* Strength bar */
.pw-strength {
  display: flex;
  gap: 4px;
  margin-top: var(--sp-1);
}
.pw-strength__bar {
  flex: 1;
  height: 3px;
  background-color: var(--color-line);
  border-radius: var(--r-pill);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.pw-strength.is-weak    .pw-strength__bar:nth-child(-n+1) { background-color: var(--color-accent-red); }
.pw-strength.is-fair    .pw-strength__bar:nth-child(-n+2) { background-color: var(--color-gold-deep); }
.pw-strength.is-good    .pw-strength__bar:nth-child(-n+3) { background-color: var(--color-gold); }
.pw-strength.is-strong  .pw-strength__bar:nth-child(-n+4) { background-color: var(--color-success); }
.pw-strength__label {
  font-size: var(--fs-tiny);
  color: var(--color-muted);
  margin-top: 4px;
}

/* Terms */
.auth-terms {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
}
.auth-terms input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}
.auth-terms input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}
.auth-terms input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border-right: 2px solid var(--color-bg);
  border-bottom: 2px solid var(--color-bg);
  transform: rotate(45deg);
}

/* Step (register) */
.auth-step {
  display: none;
}
.auth-step.is-active {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}