:root {
  --twofa-bg: #eef6f3;
  --twofa-bg-accent: #d8ebe4;
  --twofa-surface: #ffffff;
  --twofa-panel: linear-gradient(180deg, #d7ece5 0%, #c7e1d8 100%);
  --twofa-border: #b5d0c7;
  --twofa-border-strong: #7ca99f;
  --twofa-text: #14332b;
  --twofa-muted: #405851;
  --twofa-accent: #04d179;
  --twofa-accent-hover: #03b86a;
  --twofa-button: #14332b;
  --twofa-button-hover: #0f2721;
  --twofa-error: #d14f45;
  --twofa-success: #167552;
  --twofa-shadow: 0 24px 60px rgba(20, 51, 43, 0.14);
  --twofa-shadow-soft: 0 12px 28px rgba(20, 51, 43, 0.08);
}

.twofa-page {
  min-height: 100vh;
  margin: 0;
  color: var(--twofa-text);
  font-family: "Open Sans", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(141, 191, 182, 0.38), transparent 32%),
    radial-gradient(circle at top right, rgba(4, 209, 121, 0.12), transparent 24%),
    linear-gradient(180deg, #f8fcfb 0%, var(--twofa-bg) 48%, var(--twofa-bg-accent) 100%);
  overflow-x: hidden;
}

.twofa-page > .container {
  min-height: calc(100vh - 80px);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.twofa-page.justify-content-center > .qr-box {
  margin: 24px;
}

.twofa-page .card,
.twofa-page .qr-box {
  position: relative;
  width: min(500px, 100%);
  min-height: 560px;
  border: 1px solid var(--twofa-border);
  border-radius: 28px !important;
  background: var(--twofa-surface);
  box-shadow: var(--twofa-shadow) !important;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.twofa-page .card::before,
.twofa-page .qr-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.52)),
    var(--twofa-panel);
  z-index: 0;
}

.twofa-page .card::after,
.twofa-page .qr-box::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 520px;
  top: -60px;
  right: 120px;
  border-radius: 72px;
  transform: rotate(45deg);
  background:
    radial-gradient(circle at 20% 20%, rgba(4, 209, 121, 0.26), transparent 16rem),
    linear-gradient(135deg, rgba(141, 191, 182, 0.42), rgba(255, 255, 255, 0.22));
  pointer-events: none;
  z-index: 0;
}

.twofa-page .card-body,
.twofa-page .qr-box > * {
  position: relative;
  z-index: 1;
}

.twofa-page .card-body,
.twofa-page .qr-box {
  padding: 86px 80px 54px;
}

.twofa-page .qr-box {
  max-width: 500px !important;
  text-align: left !important;
}

.twofa-page .card-title,
.twofa-page h2,
.twofa-page h3,
.twofa-page h4 {
  color: var(--twofa-text);
  font-weight: 800;
  letter-spacing: 0;
}

.twofa-page h2 {
  margin-bottom: 22px !important;
}

.twofa-page .qr-box h4 {
  font-size: 26px;
}

.twofa-page p,
.twofa-page .text-muted,
.twofa-page small,
.twofa-page .form-check-label {
  color: var(--twofa-muted) !important;
  font-weight: 600;
}

.twofa-page strong {
  color: var(--twofa-text);
}

.twofa-page .form-label {
  color: var(--twofa-text);
  font-weight: 700;
}

.twofa-page .form-control,
.twofa-page .form-select {
  min-height: 44px;
  border: 1px solid transparent;
  border-bottom: 2px solid var(--twofa-border-strong);
  border-radius: 0;
  background: transparent;
  color: var(--twofa-text);
  font-size: 15px;
  font-weight: 700;
  box-shadow: none;
}

.twofa-page .form-select {
  cursor: pointer;
  padding: 10px 42px 10px 14px;
  border: 1px solid rgba(124, 169, 159, 0.5);
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.46);
  background-position: right 16px center;
  box-shadow: 0 8px 18px rgba(20, 51, 43, 0.06);
}

.twofa-page .form-control::placeholder {
  color: rgba(64, 88, 81, 0.42);
  font-weight: 600;
  opacity: 1;
}

.twofa-page .form-control:hover,
.twofa-page .form-select:hover {
  border-bottom-color: #45786d;
}

.twofa-page .form-select:hover {
  border-color: var(--twofa-border-strong);
  background-color: rgba(255, 255, 255, 0.68);
}

.twofa-page .form-control:focus,
.twofa-page .form-select:focus {
  border-color: transparent;
  border-bottom-color: var(--twofa-accent);
  background: transparent;
  box-shadow: inset 0 -1px 0 rgba(4, 209, 121, 0.75);
}

.twofa-page .form-select:focus {
  border-color: var(--twofa-accent);
  background-color: rgba(255, 255, 255, 0.78);
  box-shadow: 0 0 0 0.2rem rgba(4, 209, 121, 0.22);
}

.twofa-page .form-check-input:focus {
  border-color: var(--twofa-accent);
  box-shadow: 0 0 0 0.2rem rgba(4, 209, 121, 0.22);
}

.twofa-page .form-check-input:checked {
  border-color: var(--twofa-accent);
  background-color: var(--twofa-accent);
}

.twofa-page .card .btn,
.twofa-page .qr-box .btn,
.twofa-page .manual-key-dialog .btn {
  min-height: 40px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: normal;
  overflow-wrap: anywhere;
  box-shadow: 0 10px 24px rgba(20, 51, 43, 0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.twofa-page .card .btn:hover,
.twofa-page .card .btn:focus,
.twofa-page .qr-box .btn:hover,
.twofa-page .qr-box .btn:focus,
.twofa-page .manual-key-dialog .btn:hover,
.twofa-page .manual-key-dialog .btn:focus {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(20, 51, 43, 0.2);
}

.twofa-page .card .btn-primary,
.twofa-page .qr-box .btn-primary,
.twofa-page .manual-key-dialog .btn-primary {
  border-color: var(--twofa-button);
  background: var(--twofa-button);
  color: #ffffff;
}

.twofa-page .card .btn-primary:hover,
.twofa-page .card .btn-primary:focus,
.twofa-page .qr-box .btn-primary:hover,
.twofa-page .qr-box .btn-primary:focus,
.twofa-page .manual-key-dialog .btn-primary:hover,
.twofa-page .manual-key-dialog .btn-primary:focus {
  border-color: var(--twofa-button-hover);
  background: var(--twofa-button-hover);
  color: #ffffff;
}

.twofa-page .card .btn-outline-secondary,
.twofa-page .qr-box .btn-outline-secondary,
.twofa-page .manual-key-dialog .btn-outline-secondary {
  border-color: #03a960;
  background: var(--twofa-accent);
  color: var(--twofa-text);
}

.twofa-page .card .btn-outline-secondary:hover,
.twofa-page .card .btn-outline-secondary:focus,
.twofa-page .qr-box .btn-outline-secondary:hover,
.twofa-page .qr-box .btn-outline-secondary:focus,
.twofa-page .manual-key-dialog .btn-outline-secondary:hover,
.twofa-page .manual-key-dialog .btn-outline-secondary:focus {
  border-color: #03a960;
  background: var(--twofa-accent-hover);
  color: var(--twofa-text);
}

.twofa-page .card .btn-danger,
.twofa-page .qr-box .btn-danger {
  border-color: var(--twofa-error);
  background: var(--twofa-error);
  color: #ffffff;
}

.twofa-page .card .btn-danger:hover,
.twofa-page .card .btn-danger:focus,
.twofa-page .qr-box .btn-danger:hover,
.twofa-page .qr-box .btn-danger:focus {
  border-color: #b94038;
  background: #b94038;
  color: #ffffff;
}

.twofa-page .alert {
  border: 0;
  border-radius: 12px;
  color: #ffffff;
  font-size: 13px;
  line-height: 1.4;
  text-align: left;
  box-shadow: var(--twofa-shadow-soft);
}

.twofa-page .alert-success,
.twofa-page .alert-info {
  background: var(--twofa-success);
}

.twofa-page .alert-danger {
  background: var(--twofa-error);
}

.twofa-page .twofa-code-notice {
  padding: 12px 16px;
  border: 1px solid var(--twofa-border-strong);
  border-left: 5px solid var(--twofa-success);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: var(--twofa-shadow-soft);
  overflow-wrap: anywhere;
}

.twofa-page .twofa-code-notice-title {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  line-height: 1.3;
  font-weight: 800;
}

.twofa-page .twofa-code-notice p {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.4;
}

.twofa-page .twofa-code-notice p:last-child {
  margin-bottom: 0;
}

.twofa-page .twofa-method-help {
  font-size: 14px;
  line-height: 1.4;
}

.twofa-page.twofa-setup > .container {
  padding-top: 24px !important;
  padding-bottom: 24px !important;
}

.twofa-page.twofa-setup .card {
  width: min(600px, 100%);
  min-height: auto;
}

.twofa-page.twofa-setup .card-body {
  padding: 28px clamp(20px, 4vw, 40px);
}

.twofa-page.twofa-setup h2 {
  margin-bottom: 16px !important;
}

.twofa-page .border-top {
  border-color: rgba(124, 169, 159, 0.42) !important;
}

.twofa-page img[alt="2FA QR Code"] {
  width: min(100%, 230px);
  height: auto;
  padding: 12px;
  border: 1px solid rgba(124, 169, 159, 0.55);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--twofa-shadow-soft);
}

.twofa-page .manual-key-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(64, 88, 81, 0.42);
  color: var(--twofa-muted);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.twofa-page .manual-key-trigger:hover,
.twofa-page .manual-key-trigger:focus {
  border-bottom-color: var(--twofa-accent);
  color: var(--twofa-button-hover);
}

.twofa-page.manual-key-modal-open {
  overflow: hidden;
}

.twofa-page .manual-key-modal[hidden] {
  display: none;
}

.twofa-page .manual-key-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.twofa-page .manual-key-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 39, 33, 0.48);
  backdrop-filter: blur(3px);
}

.twofa-page .manual-key-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 460px);
  padding: 30px;
  border: 1px solid var(--twofa-border);
  border-radius: 24px;
  color: var(--twofa-text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.68)),
    var(--twofa-panel);
  box-shadow: var(--twofa-shadow);
}

.twofa-page .manual-key-dialog h3 {
  margin: 0 32px 10px 0;
  font-size: 24px;
}

.twofa-page .manual-key-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  color: var(--twofa-text);
  background: rgba(255, 255, 255, 0.55);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.twofa-page .manual-key-close:hover,
.twofa-page .manual-key-close:focus {
  background: rgba(255, 255, 255, 0.82);
}

.twofa-page .manual-key-status {
  min-height: 18px;
  color: var(--twofa-text) !important;
  font-weight: 800;
}

.twofa-page .manual-key-status {
  font-size: 13px;
}

.twofa-page .manual-key-name {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid rgba(124, 169, 159, 0.36);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.54);
}

.twofa-page .manual-key-name > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.twofa-page .manual-key-name span {
  color: var(--twofa-muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.twofa-page .manual-key-name strong {
  overflow-wrap: anywhere;
}

.twofa-page .manual-key-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.twofa-page .manual-key-row code {
  min-width: 0;
  flex: 1;
  display: block;
  padding: 10px 12px;
  border: 1px solid rgba(124, 169, 159, 0.44);
  border-radius: 12px;
  color: var(--twofa-text);
  background: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.twofa-page .manual-key-copy {
  width: auto;
  min-width: 76px;
  padding-inline: 14px !important;
}

.twofa-page #resend-timer,
.twofa-page #expiry-timer {
  color: var(--twofa-text);
  font-weight: 800;
}

.twofa-page *:focus-visible {
  outline: 2px solid rgba(4, 209, 121, 0.48);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .twofa-page {
    padding: 12px;
  }

  .twofa-page.justify-content-center {
    align-items: flex-start !important;
  }

  .twofa-page > .container {
    min-height: calc(100vh - 24px);
    padding-top: 24px !important;
    padding-bottom: 24px !important;
  }

  .twofa-page .card,
  .twofa-page .qr-box {
    width: 100%;
    min-height: auto;
    border-radius: 20px !important;
  }

  .twofa-page .card-body,
  .twofa-page .qr-box {
    padding: 48px 34px 34px;
  }

  .twofa-page h2,
  .twofa-page h3 {
    font-size: 30px;
  }

  .twofa-page .qr-box h4 {
    font-size: 24px;
  }

  .twofa-page .card::after,
  .twofa-page .qr-box::after {
    width: 420px;
    height: 440px;
    top: -90px;
    right: 80px;
  }

  .twofa-page .form-control,
  .twofa-page .form-select {
    width: 100%;
    font-size: 16px;
  }

  .twofa-page img[alt="2FA QR Code"] {
    width: min(100%, 210px);
  }
}

@media (max-width: 420px) {
  .twofa-page {
    padding: 8px;
  }

  .twofa-page.justify-content-center > .qr-box {
    margin: 12px 0;
  }

  .twofa-page > .container {
    width: 100%;
    padding-inline: 0;
  }

  .twofa-page .card-body,
  .twofa-page .qr-box {
    padding: 36px 24px 28px;
  }

  .twofa-page h2,
  .twofa-page h3 {
    font-size: 28px;
  }

  .twofa-page .qr-box h4 {
    font-size: 22px;
  }

  .twofa-page p,
  .twofa-page .text-muted,
  .twofa-page small,
  .twofa-page .form-check-label {
    font-size: 14px;
  }

  .twofa-page .card .btn,
  .twofa-page .qr-box .btn {
    min-height: 42px;
    padding: 10px 14px;
  }

  .twofa-page img[alt="2FA QR Code"] {
    width: min(100%, 190px);
  }

  .twofa-page .manual-key-row {
    flex-direction: column;
  }

  .twofa-page .manual-key-name {
    align-items: stretch;
    flex-direction: column;
  }

  .twofa-page .manual-key-copy {
    width: 100%;
  }

  .twofa-page .manual-key-modal {
    align-items: flex-end;
    padding: 12px;
  }

  .twofa-page .manual-key-dialog {
    width: 100%;
    padding: 26px 22px 22px;
    border-radius: 20px;
  }

  .twofa-page .manual-key-dialog h3 {
    font-size: 22px;
  }
}