/**
 * Shield auth pages: login, register, OAuth — glass card on site theme.
 */

.shield-auth {
  --shield-auth-accent: var(--app-accent, #3ecf8e);
  --shield-auth-accent-dim: var(--app-accent-dim, rgba(62, 207, 142, 0.22));
  --shield-auth-border: var(--app-glass-border, rgba(255, 255, 255, 0.09));
  --shield-auth-surface: var(--app-glass-1, rgba(22, 34, 30, 0.58));
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 1.5rem 0 3rem;
}

.shield-auth__card {
  width: 100%;
  max-width: 28rem;
  background: var(--shield-auth-surface);
  backdrop-filter: blur(var(--app-blur-soft, 12px));
  -webkit-backdrop-filter: blur(var(--app-blur-soft, 12px));
  border: 1px solid var(--shield-auth-border);
  border-radius: 1rem;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.shield-auth__header {
  padding: 1.75rem 1.75rem 0;
  text-align: center;
}

.shield-auth__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.75rem;
  border-radius: 0.875rem;
  background: var(--shield-auth-accent-dim);
  color: var(--shield-auth-accent);
  font-size: 1.35rem;
}

.shield-auth__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.shield-auth__subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bs-secondary-color);
  line-height: 1.45;
}

.shield-auth__body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.shield-auth__alert {
  margin-bottom: 1.25rem;
  border-radius: 0.625rem;
  font-size: 0.9rem;
}

.shield-auth__field {
  margin-bottom: 1rem;
}

.shield-auth__label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
}

[data-bs-theme="light"] .shield-auth__label {
  color: rgba(15, 23, 42, 0.75);
}

.shield-auth__input-wrap {
  position: relative;
}

.shield-auth__input {
  width: 100%;
  padding: 0.7rem 2.75rem 0.7rem 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--bs-body-color);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--shield-auth-border);
  border-radius: 0.625rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-bs-theme="light"] .shield-auth__input {
  background: rgba(255, 255, 255, 0.65);
}

.shield-auth__input:focus {
  outline: none;
  border-color: rgba(62, 207, 142, 0.55);
  box-shadow: 0 0 0 3px var(--shield-auth-accent-dim);
}

.shield-auth__input.is-invalid {
  border-color: rgba(248, 113, 113, 0.65);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

.shield-auth__field-hint {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--app-text-muted, rgba(255, 255, 255, 0.55));
}

.shield-auth__field-error {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: #f87171;
  font-weight: 500;
}

.shield-auth__input.is-valid {
  border-color: rgba(62, 207, 142, 0.55);
}

.shield-auth__toggle-pw {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--bs-secondary-color);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.shield-auth__toggle-pw:hover {
  color: var(--shield-auth-accent);
  background: rgba(255, 255, 255, 0.06);
}

.shield-auth__strength {
  margin-top: 0.65rem;
}

.shield-auth__strength-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bs-secondary-color);
}

.shield-auth__strength-label {
  color: var(--bs-body-color);
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.8125rem;
  font-weight: 600;
}

.shield-auth__strength-label[data-level="weak"] { color: #f87171; }
.shield-auth__strength-label[data-level="fair"] { color: #fbbf24; }
.shield-auth__strength-label[data-level="good"] { color: #6ee7b7; }
.shield-auth__strength-label[data-level="strong"] { color: var(--shield-auth-accent); }

.shield-auth__strength-track {
  height: 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.shield-auth__strength-bar {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #f87171, #fbbf24, #6ee7b7, var(--shield-auth-accent));
  transition: width 0.25s ease;
}

.shield-auth__checks {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.shield-auth__check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.35;
  color: var(--bs-secondary-color);
}

.shield-auth__check-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.1rem;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  position: relative;
}

.shield-auth__check.is-pass .shield-auth__check-icon {
  border-color: var(--shield-auth-accent);
  background: var(--shield-auth-accent-dim);
}

.shield-auth__check.is-pass .shield-auth__check-icon::after {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 0.12rem;
  width: 0.28rem;
  height: 0.5rem;
  border: solid var(--shield-auth-accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.shield-auth__check.is-fail .shield-auth__check-icon {
  border-color: rgba(248, 113, 113, 0.55);
}

.shield-auth__check.is-fail .shield-auth__check-icon::before,
.shield-auth__check.is-fail .shield-auth__check-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.55rem;
  height: 2px;
  background: #f87171;
  transform: translate(-50%, -50%) rotate(45deg);
}

.shield-auth__check.is-fail .shield-auth__check-icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.shield-auth__check.is-pending .shield-auth__check-icon {
  border-color: rgba(255, 255, 255, 0.15);
  border-style: dashed;
}

.shield-auth__check.is-pass {
  color: rgba(255, 255, 255, 0.88);
}

.shield-auth__tip {
  margin-top: 0.65rem;
  padding: 0.65rem 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--bs-secondary-color);
  background: rgba(62, 207, 142, 0.06);
  border: 1px solid rgba(62, 207, 142, 0.12);
  border-radius: 0.5rem;
}

.shield-auth__tip strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--shield-auth-accent);
}

.shield-auth__confirm-hint {
  margin-top: 0.4rem;
  font-size: 0.8125rem;
}

.shield-auth__confirm-hint.is-match { color: var(--shield-auth-accent); }
.shield-auth__confirm-hint.is-mismatch { color: #f87171; }

.shield-auth__submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: 0.625rem;
  color: #042f1a;
  background: linear-gradient(135deg, #6ee7b7 0%, var(--shield-auth-accent) 55%, #2dd4bf 100%);
  box-shadow: 0 4px 16px var(--shield-auth-accent-dim);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.shield-auth__submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(62, 207, 142, 0.35);
  color: #022c16;
}

.shield-auth__submit:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.shield-auth__footer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--bs-secondary-color);
}

.shield-auth__footer a {
  color: var(--app-link, #6ee7b7);
  font-weight: 600;
  text-decoration: none;
}

.shield-auth__footer a:hover {
  color: var(--app-link-hover, #a7f3d0);
  text-decoration: underline;
}

/* OAuth */
.shield-oauth {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--shield-auth-border);
}

.shield-oauth__divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--bs-secondary-color);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shield-oauth__divider::before,
.shield-oauth__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--shield-auth-border);
}

.shield-oauth__list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.shield-oauth__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 0.625rem;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  border: 1px solid var(--shield-auth-border);
  background: rgba(0, 0, 0, 0.18);
  color: var(--bs-body-color);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.shield-oauth__btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--bs-body-color);
}

.shield-oauth__btn:focus-visible {
  outline: 2px solid var(--shield-auth-accent);
  outline-offset: 2px;
}

.shield-oauth__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.shield-oauth__btn--google {
  background: rgba(255, 255, 255, 0.92);
  color: #3c4043;
  border-color: rgba(0, 0, 0, 0.08);
}

.shield-oauth__btn--google:hover {
  background: #fff;
  color: #202124;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.shield-oauth__btn--vk {
  background: linear-gradient(135deg, #0077ff 0%, #0068e0 100%);
  color: #fff;
  border-color: rgba(0, 104, 224, 0.6);
}

.shield-oauth__btn--vk:hover {
  background: linear-gradient(135deg, #1a84ff 0%, #0077ff 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 119, 255, 0.35);
}

.shield-oauth__btn--vk .shield-oauth__icon {
  width: 1.35rem;
  height: 1.35rem;
}

.shield-oauth__btn--default {
  background: rgba(0, 0, 0, 0.18);
  color: var(--bs-body-color);
}

@media (max-width: 575.98px) {
  .shield-auth__header,
  .shield-auth__body {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}