/**
 * Tripuppy — auth modal: minimal glass card on hero; light theme variant.
 */

.login-modal {
  --login-space-1: 8px;
  --login-space-2: 16px;
  --login-space-3: 24px;
  --login-radius-card: 18px;
  --login-radius-control: 12px;
  --login-radius-btn: 11px;
  --login-max-w: min(360px, calc(100vw - 32px));
  --login-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --login-duration: 220ms;

  --login-text: rgba(255, 255, 255, 0.98);
  --login-text-muted: rgba(255, 255, 255, 0.68);
  --login-text-soft: rgba(255, 255, 255, 0.48);
  --login-card-bg: rgba(14, 16, 22, 0.62);
  --login-card-border: rgba(255, 255, 255, 0.09);
  --login-card-shadow: 0 32px 64px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  --login-backdrop: rgba(6, 8, 12, 0.48);
  --login-field-bg: rgba(0, 0, 0, 0.2);
  --login-btn-ghost: rgba(255, 255, 255, 0.08);
  --login-btn-ghost-hover: rgba(255, 255, 255, 0.12);
  --login-btn-border: rgba(255, 255, 255, 0.1);
  --login-focus-ring: 0 0 0 2px rgba(255, 255, 255, 0.12), 0 0 0 4px rgba(99, 102, 241, 0.45);
  --login-primary-bg: rgba(255, 255, 255, 0.94);
  --login-primary-text: #0c0e12;
  --login-primary-hover: #ffffff;
  --login-error-bg: rgba(239, 68, 68, 0.1);
  --login-error-border: rgba(248, 113, 113, 0.28);
  --login-error-text: #fecaca;
  --login-success-bg: rgba(34, 197, 94, 0.1);
  --login-success-border: rgba(74, 222, 128, 0.28);
  --login-success-text: #bbf7d0;
  --login-close-hover: rgba(255, 255, 255, 0.08);
  --login-icon-stroke: rgba(255, 255, 255, 0.88);
  --login-tab-active: rgba(255, 255, 255, 0.92);

  position: fixed;
  inset: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--login-space-2);
  padding-bottom: max(var(--login-space-2), env(safe-area-inset-bottom));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--login-duration) var(--login-ease), visibility var(--login-duration) var(--login-ease);
}

.login-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.login-modal.is-open .login-modal__card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.login-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--login-backdrop);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  backdrop-filter: blur(12px) saturate(1.1);
  cursor: pointer;
}

.login-modal__card {
  position: relative;
  width: var(--login-max-w);
  padding: 28px 24px 22px;
  background: var(--login-card-bg);
  -webkit-backdrop-filter: blur(28px) saturate(1.15);
  backdrop-filter: blur(28px) saturate(1.15);
  border-radius: var(--login-radius-card);
  border: 1px solid var(--login-card-border);
  box-shadow: var(--login-card-shadow);
  transform: scale(0.98) translateY(8px);
  opacity: 0;
  transition: transform var(--login-duration) var(--login-ease), opacity var(--login-duration) var(--login-ease);
}

.login-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  color: var(--login-text-soft);
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.login-modal__close:hover {
  color: var(--login-text-muted);
  background: var(--login-close-hover);
}

.login-modal__close:focus-visible {
  outline: none;
  box-shadow: var(--login-focus-ring);
}

.login-modal__close:active {
  transform: scale(0.96);
}

/* —— Benefit first, then mode —— */
.login-modal__intro {
  margin: 2px 40px 14px 0;
}

/* —— Tabs: underline —— */
.login-modal__tabs {
  display: flex;
  gap: 0;
  margin: 0 40px 18px 0;
  padding: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
}

.login-modal__tab {
  position: relative;
  flex: 1;
  min-height: 44px;
  padding: 12px 4px 14px;
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--login-text-soft);
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.login-modal__tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: transparent;
  transition: background 0.15s ease;
}

.login-modal__tab[aria-selected="true"] {
  color: var(--login-tab-active);
}

.login-modal__tab[aria-selected="true"]::after {
  background: var(--login-tab-active);
}

.login-modal__tab:focus-visible {
  outline: none;
  color: var(--login-text);
}

.login-modal__tab:focus-visible::after {
  background: var(--login-tab-active);
}

.login-modal__tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.login-modal__title {
  font-family: var(--font-heading, "Inter", system-ui, sans-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.22;
  margin: 0 0 8px;
  color: var(--login-text);
}

.login-modal__lede {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
  color: var(--login-text-muted);
}

.login-modal__primary {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Confirm password: Sign up only; hidden via [hidden] in markup + JS */
.login-modal__field--confirm[hidden] {
  display: none !important;
}

.login-modal--register .login-modal__dev,
.login-modal--register .login-modal__magic-wrap {
  display: none;
}

.login-modal__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 0;
}

.login-modal__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login-modal__field-label {
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--login-text-soft);
}

.login-modal__field-input {
  width: 100%;
  box-sizing: border-box;
  min-height: 46px;
  padding: 11px 14px;
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--login-text);
  background: var(--login-field-bg);
  border: 1px solid var(--login-btn-border);
  border-radius: var(--login-radius-control);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.login-modal__field-input::placeholder {
  color: var(--login-text-soft);
}

.login-modal__field-input:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.16);
}

.login-modal__field-input:focus-visible {
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: var(--login-focus-ring);
}

.login-modal__secondary {
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.login-modal__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--login-text-soft);
}

.login-modal__divider::before,
.login-modal__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.login-modal__divider-text {
  flex-shrink: 0;
  opacity: 0.85;
}

.login-modal__oauth {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 0;
}

.login-modal__oauth:has(> :only-child) {
  grid-template-columns: 1fr;
}

.login-modal__btn--primary {
  margin-top: 4px;
  min-height: 48px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--login-primary-text);
  background: var(--login-primary-bg);
  border-color: transparent;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.login-modal__btn--primary:hover:not(:disabled) {
  background: var(--login-primary-hover);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.login-modal__btn--primary:active:not(:disabled) {
  transform: scale(0.995);
}

.login-modal__footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.login-modal__legal {
  margin: 0;
  padding: 0 12px;
  max-width: 22rem;
  font-size: 0.75rem;
  line-height: 1.45;
  text-align: center;
  color: var(--login-text-muted);
}

.login-modal__legal a {
  color: rgba(125, 211, 252, 0.95);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.login-modal__legal a:hover {
  color: #a5f3fc;
}

.login-modal__magic-wrap {
  width: 100%;
  text-align: center;
}

.login-modal__text-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 6px 10px;
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--login-text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.login-modal__text-btn:hover:not(:disabled) {
  color: var(--login-text);
  background: rgba(255, 255, 255, 0.06);
}

.login-modal__text-btn:focus-visible {
  outline: none;
  box-shadow: var(--login-focus-ring);
}

.login-modal__text-btn.is-loading .login-modal__btn-label {
  opacity: 0;
}

.login-modal__text-btn.is-loading .login-modal__btn-spinner {
  opacity: 1;
}

.login-modal__btn-spinner--text {
  border-top-color: var(--login-text-muted);
}

.login-modal__dev {
  margin-top: 14px;
  margin-bottom: 0;
  padding: 14px;
  border-radius: var(--login-radius-control);
  border: 1px dashed rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.05);
}

.login-modal__dev-label {
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(253, 224, 71, 0.88);
  margin: 0 0 8px;
}

.login-modal__btn--dev {
  width: 100%;
  margin-top: 8px;
}

.login-modal__btn--dev:first-of-type {
  margin-top: 0;
}

.login-modal__status,
.login-modal__alert {
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.8125rem;
  line-height: 1.45;
  padding: 10px 12px;
  border-radius: var(--login-radius-btn);
  margin-bottom: 14px;
}

.login-modal__status:not([hidden]) {
  display: block;
  color: var(--login-success-text);
  background: var(--login-success-bg);
  border: 1px solid var(--login-success-border);
}

.login-modal__alert:not([hidden]) {
  display: block;
  color: var(--login-error-text);
  background: var(--login-error-bg);
  border: 1px solid var(--login-error-border);
}

.login-modal__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 14px;
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--login-text);
  background: var(--login-btn-ghost);
  border: 1px solid var(--login-btn-border);
  border-radius: var(--login-radius-btn);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.login-modal__oauth .login-modal__btn {
  min-height: 44px;
  font-size: 0.8125rem;
}

.login-modal__btn:hover:not(:disabled) {
  background: var(--login-btn-ghost-hover);
  border-color: rgba(255, 255, 255, 0.14);
}

.login-modal__btn:active:not(:disabled) {
  transform: scale(0.99);
}

.login-modal__btn:focus-visible {
  outline: none;
  box-shadow: var(--login-focus-ring);
}

.login-modal__btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.login-modal__btn.is-loading {
  pointer-events: none;
}

.login-modal__btn.is-loading .login-modal__btn-label {
  opacity: 0;
}

.login-modal__btn.is-loading .login-modal__btn-spinner {
  opacity: 1;
}

.login-modal__btn-icon {
  display: flex;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
}

.login-modal__btn-icon svg:not(.login-modal__icon-google) {
  color: var(--login-icon-stroke);
}

.login-modal__btn-label {
  flex: 1;
  text-align: center;
  transition: opacity 0.12s ease;
}

.login-modal__btn-spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid var(--login-btn-border);
  border-top-color: var(--login-text);
  border-radius: 50%;
  opacity: 0;
  animation: login-modal-spin 0.65s linear infinite;
}

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

.login-modal__guest {
  font-family: var(--font-ui, "Inter", system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--login-text-soft);
  background: none;
  border: none;
  padding: 6px 8px;
  cursor: pointer;
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.login-modal__guest:hover {
  color: var(--login-text-muted);
}

.login-modal__guest:focus-visible {
  outline: none;
  border-radius: 6px;
  box-shadow: var(--login-focus-ring);
}

/* —— Light mode —— */
body.theme-light .login-modal {
  --login-text: rgba(15, 23, 42, 0.94);
  --login-text-muted: rgba(71, 85, 105, 0.88);
  --login-text-soft: rgba(100, 116, 139, 0.75);
  --login-card-bg: rgba(255, 255, 255, 0.94);
  --login-card-border: rgba(15, 23, 42, 0.07);
  --login-card-shadow: 0 28px 56px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
  --login-backdrop: rgba(15, 23, 42, 0.32);
  --login-field-bg: rgba(248, 250, 252, 0.95);
  --login-btn-ghost: rgba(255, 255, 255, 0.98);
  --login-btn-ghost-hover: rgba(241, 245, 249, 1);
  --login-btn-border: rgba(15, 23, 42, 0.1);
  --login-focus-ring: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 0 0 4px rgba(79, 70, 229, 0.35);
  --login-primary-bg: rgba(15, 23, 42, 0.94);
  --login-primary-text: #f8fafc;
  --login-primary-hover: rgba(30, 41, 59, 0.98);
  --login-error-bg: rgba(254, 226, 226, 0.85);
  --login-error-border: rgba(252, 165, 165, 0.65);
  --login-error-text: #991b1b;
  --login-success-bg: rgba(220, 252, 231, 0.88);
  --login-success-border: rgba(134, 239, 172, 0.65);
  --login-success-text: #166534;
  --login-close-hover: rgba(15, 23, 42, 0.05);
  --login-icon-stroke: rgba(15, 23, 42, 0.82);
  --login-tab-active: rgba(15, 23, 42, 0.92);
}

body.theme-light .login-modal__tabs {
  border-bottom-color: rgba(15, 23, 42, 0.1);
}

body.theme-light .login-modal__secondary {
  border-top-color: rgba(15, 23, 42, 0.08);
}

body.theme-light .login-modal__footer {
  border-top-color: rgba(15, 23, 42, 0.06);
}

body.theme-light .login-modal__legal a {
  color: #0369a1;
}

body.theme-light .login-modal__legal a:hover {
  color: #0c4a6e;
}

body.theme-light .login-modal__divider::before,
body.theme-light .login-modal__divider::after {
  background: rgba(15, 23, 42, 0.08);
}

body.theme-light .login-modal__text-btn:hover:not(:disabled) {
  background: rgba(15, 23, 42, 0.04);
}

body.theme-light .login-modal__dev {
  border-color: rgba(180, 83, 9, 0.3);
  background: rgba(254, 243, 199, 0.4);
}

body.theme-light .login-modal__dev-label {
  color: rgba(146, 64, 14, 0.9);
}

@media (max-width: 480px) {
  .login-modal {
    align-items: flex-end;
    padding: var(--login-space-2);
    padding-bottom: max(var(--login-space-2), env(safe-area-inset-bottom));
  }

  .login-modal__card {
    width: 100%;
    max-width: none;
    border-radius: 20px 20px 0 0;
    padding: 24px 20px calc(20px + env(safe-area-inset-bottom));
    transform: scale(0.99) translateY(10px);
  }

  .login-modal.is-open .login-modal__card {
    transform: scale(1) translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-modal,
  .login-modal__card,
  .login-modal__btn-spinner {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}