/* CoinXpe — Login Page CSS
   user/css/login.css
   ───────────────── */

.login-body {
  background: linear-gradient(160deg, #EEF3FF 0%, #F8F9FC 60%);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-wrap {
  max-width: 400px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4);
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

/* Brand */
.login-brand { text-align: center; }

.login-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
}

.login-logo__icon {
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 26px;
  box-shadow: 0 4px 14px rgba(26,86,219,.3);
}

.login-logo__text {
  font-size: 26px;
  color: var(--c-primary);
}

.login-logo__text span { color: var(--c-text-1); }

.login-tagline {
  font-size: 13px;
  color: var(--c-text-2);
  font-weight: 500;
  letter-spacing: .04em;
}

/* Card */
.login-card {
  box-shadow: var(--sh-lg);
}

.login-step-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
}

.login-title {
  font-size: 22px;
  color: var(--c-text-1);
  line-height: 1.1;
}

.login-sub {
  margin-top: 2px;
}

.back-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: 1.5px solid var(--c-border);
  background: var(--c-surface-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--dur) var(--ease);
}

.back-btn:active { background: var(--c-border); }

/* Mobile input */
.mobile-input-wrap {
  display: flex;
  align-items: center;
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.mobile-input-wrap:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}

.mobile-prefix {
  padding: 12px 12px 12px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text-2);
  border-right: 1.5px solid var(--c-border);
  white-space: nowrap;
  background: var(--c-surface);
}

.mobile-input {
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  flex: 1;
  padding-left: 12px;
}

.mobile-input:focus {
  border-color: transparent;
  box-shadow: none;
}

.input-hint { margin-top: 4px; display: block; }

/* OTP Grid */
.otp-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.otp-box {
  width: 100%;
  aspect-ratio: 1;
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-body);
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  color: var(--c-text-1);
  outline: none;
  caret-color: var(--c-primary);
  transition: all var(--dur) var(--ease);
}

.otp-box:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
  background: var(--c-surface);
}

.otp-box.filled {
  border-color: var(--c-primary);
  background: var(--c-primary-light);
  color: var(--c-primary);
}

.otp-box.error {
  border-color: var(--c-red);
  background: var(--c-red-light);
  animation: shake .3s var(--ease);
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60%  { transform: translateX(-4px); }
  40%,80%  { transform: translateX(4px); }
}

/* Resend */
.resend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resend-row .btn--ghost {
  font-size: 13px;
  padding: 6px 8px;
  color: var(--c-primary);
}

.resend-row .btn--ghost:disabled {
  color: var(--c-text-3);
  opacity: 1;
}

/* Footer */
.login-footer {
  text-align: center;
  padding-bottom: env(safe-area-inset-bottom, 8px);
}

.login-footer a { color: var(--c-primary); text-decoration: none; }

/* Loading state on button */
.btn.loading {
  pointer-events: none;
  opacity: .8;
}

.btn.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-left: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}