:root {
  --bg: #fbfaf7;
  --bg-accent: #eef2ef;
  --bg-glow-a: rgba(240, 243, 239, 0.95);
  --bg-glow-b: rgba(231, 235, 232, 0.85);
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #f5f5f2;
  --surface-soft: rgba(247, 247, 244, 0.92);
  --text: #101212;
  --muted: #788087;
  --line: rgba(16, 18, 18, 0.1);
  --line-strong: rgba(16, 18, 18, 0.16);
  --primary: #191d1f;
  --primary-soft: #4c585c;
  --success: #1d7a49;
  --success-soft: rgba(29, 122, 73, 0.14);
  --warning: #8f5a15;
  --warning-soft: rgba(228, 171, 78, 0.16);
  --danger: #a33622;
  --danger-soft: rgba(214, 86, 60, 0.14);
  --shadow: 0 30px 100px rgba(38, 41, 43, 0.08);
  --placeholder: #9aa1a7;
  --focus-ring: rgba(25, 29, 31, 0.06);
  --invalid-border: rgba(163, 54, 34, 0.35);
  --invalid-ring: rgba(214, 86, 60, 0.08);
  --subtle-hover: rgba(16, 18, 18, 0.06);
  --subtle-hover-strong: rgba(16, 18, 18, 0.05);
  --ui-soft: rgba(16, 18, 18, 0.045);
  --ui-soft-strong: rgba(16, 18, 18, 0.03);
  --recommended-bg: rgba(29, 122, 73, 0.1);
  --recommended-bg-hover: rgba(29, 122, 73, 0.14);
  --provider-muted: #9da4aa;
  --provider-border: rgba(16, 18, 18, 0.04);
  --divider-text: #b6bcc1;
  --success-bg: rgba(29, 122, 73, 0.08);
  --error-bg: rgba(163, 54, 34, 0.08);
  --modal-overlay: linear-gradient(180deg, rgba(251, 250, 247, 0.94) 0%, rgba(238, 242, 239, 0.97) 100%);
  --modal-close-bg: rgba(16, 18, 18, 0.05);
  --modal-close-hover: rgba(16, 18, 18, 0.09);
  --title-glow: rgba(29, 122, 73, 0.05);
  --button-primary-bg: #191d1f;
  --button-primary-text: #ffffff;
}

body.theme-dark {
  --bg: #0b0f12;
  --bg-accent: #121920;
  --bg-glow-a: rgba(62, 88, 104, 0.24);
  --bg-glow-b: rgba(38, 54, 73, 0.28);
  --surface: rgba(18, 24, 31, 0.9);
  --surface-strong: #1b242d;
  --surface-soft: rgba(24, 31, 39, 0.92);
  --text: #edf2f4;
  --muted: #95a3ae;
  --line: rgba(227, 236, 242, 0.09);
  --line-strong: rgba(227, 236, 242, 0.16);
  --primary: #edf2f4;
  --primary-soft: #c4d0d6;
  --success: #8bb7c9;
  --success-soft: rgba(139, 183, 201, 0.16);
  --warning: #d7b379;
  --warning-soft: rgba(242, 191, 103, 0.16);
  --danger: #e39a90;
  --danger-soft: rgba(255, 140, 125, 0.16);
  --shadow: 0 30px 100px rgba(0, 0, 0, 0.42);
  --placeholder: #70808a;
  --focus-ring: rgba(139, 183, 201, 0.14);
  --invalid-border: rgba(227, 154, 144, 0.38);
  --invalid-ring: rgba(227, 154, 144, 0.1);
  --subtle-hover: rgba(227, 236, 242, 0.08);
  --subtle-hover-strong: rgba(227, 236, 242, 0.06);
  --ui-soft: rgba(227, 236, 242, 0.04);
  --ui-soft-strong: rgba(227, 236, 242, 0.03);
  --recommended-bg: rgba(139, 183, 201, 0.14);
  --recommended-bg-hover: rgba(139, 183, 201, 0.2);
  --provider-muted: #70808a;
  --provider-border: rgba(227, 236, 242, 0.04);
  --divider-text: #7f8b92;
  --success-bg: rgba(139, 183, 201, 0.14);
  --error-bg: rgba(227, 154, 144, 0.12);
  --modal-overlay: linear-gradient(180deg, rgba(7, 11, 14, 0.88) 0%, rgba(11, 16, 20, 0.94) 100%);
  --modal-close-bg: rgba(227, 236, 242, 0.06);
  --modal-close-hover: rgba(227, 236, 242, 0.1);
  --title-glow: rgba(139, 183, 201, 0.08);
  --button-primary-bg: #dbe4e9;
  --button-primary-text: #11181d;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family:
    "Avenir Next",
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-glow-a), transparent 30%),
    radial-gradient(circle at bottom right, var(--bg-glow-b), transparent 26%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
}

button,
input,
select {
  font: inherit;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: start center;
  padding: 36px 18px 20px;
}

.login-stage {
  width: min(100%, 540px);
}

.action-summary-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.theme-toggle {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--primary);
  cursor: pointer;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.theme-toggle:hover {
  background: var(--surface-strong);
  transform: translateY(-50%);
}

.theme-toggle i {
  font-size: 1rem;
  line-height: 1;
}

.eyebrow,
.section-label,
.transition-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 700;
}

.eyebrow,
.section-label {
  color: var(--muted);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 0;
  font-weight: 600;
}

.page-intro,
.alt-copy,
.inline-feedback,
.transition-message,
.transition-detail {
  color: var(--muted);
  line-height: 1.6;
}

.page-intro {
  max-width: 28rem;
  font-size: 1rem;
}

.login-card,
.transition-panel {
  border: 1px solid var(--line);
  border-radius: 36px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.login-card {
  position: relative;
  padding: 20px;
}

.auth-form {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.auth-form.compact-top {
  margin-top: 16px;
}

.action-summary {
  margin-top: 8px;
  padding: 0 0 2px;
}

.action-line {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  text-shadow: 0 0 22px var(--title-glow);
  text-align: center;
}

.request-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.request-focus.centered {
  justify-content: center;
}

.target-stage {
  --target-height: 64px;
  --target-font-size: 2.45rem;
  position: relative;
  width: 100%;
  min-height: var(--target-height);
}

.target-display {
  width: 100%;
  min-height: var(--target-height);
  border-radius: 22px;
  font-size: var(--target-font-size);
}

.target-display {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  height: var(--target-height);
  padding: 0 18px;
  color: var(--primary);
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 700;
  text-align: center;
  text-wrap: balance;
}

.target-display.explainer {
  height: auto;
  min-height: 0;
  padding: 6px 18px 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0;
  font-weight: 500;
}

.version-badge {
  margin: 18px 0 0;
  color: var(--divider-text);
  font-size: 0.78rem;
  line-height: 1;
  text-align: right;
}
.method-icon i {
  font-size: 18px;
  line-height: 1;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 18px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 14px 16px;
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

#email,
#code,
#password {
  font-family: "SFMono-Regular", "IBM Plex Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-weight: 400;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 52px;
}

.password-visibility-button {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.password-visibility-button:hover {
  background: var(--subtle-hover);
  transform: translateY(-50%);
}

input::placeholder {
  color: var(--placeholder);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

input.invalid,
select.invalid {
  border-color: var(--invalid-border);
  box-shadow: 0 0 0 3px var(--invalid-ring);
}

.method-selector-button,
.method-selector-option,
.primary-button,
.provider-placeholder,
.workspace-button {
  border: 0;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

.method-hub {
  display: grid;
  gap: 6px;
}

.method-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  color: currentColor;
}

.method-selector-button,
.method-selector-option {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 22px;
}

.method-selector-button {
  background: var(--ui-soft);
  color: var(--primary);
  text-align: left;
}

.method-selector-button.recommended-active {
  background: var(--recommended-bg);
}

.method-selector-button:hover,
.method-selector-option:hover {
  transform: none;
}

.method-selector-button:hover {
  background: var(--subtle-hover);
}

.method-selector-button.recommended-active:hover {
  background: var(--recommended-bg-hover);
}

.method-selector-option:hover {
  background: var(--subtle-hover-strong);
}

.method-selector-button > *,
.method-selector-option > * {
  pointer-events: none;
}

.method-selector-current {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
}

.method-selector-icon,
.method-option-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: currentColor;
  flex: 0 0 auto;
}

.method-selector-icon i {
  font-size: 24px;
  line-height: 1;
}

.method-option-icon i {
  font-size: 18px;
  line-height: 1;
}

.method-selector-copy,
.method-option-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.method-selector-copy strong,
.method-option-copy strong {
  font-size: 0.98rem;
  font-weight: 600;
}

.method-selector-copy span,
.method-option-copy span {
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 500;
  line-height: 1.45;
}

.method-selector-chevron {
  color: var(--muted);
  transition: transform 180ms ease;
}

.method-selector-button[aria-expanded="true"] .method-selector-chevron {
  transform: rotate(180deg);
}

.method-selector-menu {
  display: grid;
  gap: 8px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-4px);
  transition: max-height 220ms ease, opacity 180ms ease, transform 220ms ease;
}

.method-selector-menu.open {
  max-height: 220px;
  opacity: 1;
  transform: translateY(0);
}

.method-selector-option {
  background: var(--ui-soft-strong);
  color: var(--muted);
  grid-template-columns: auto 1fr;
  text-align: left;
}

.method-selector-option.recommended {
  background: var(--recommended-bg);
  color: var(--primary);
}

.method-selector-option.recommended:hover {
  background: var(--recommended-bg-hover);
}

.method-selector-option.recommended .method-option-copy strong {
  color: var(--primary);
}

.method-selector-option.recommended .method-option-copy span {
  color: var(--primary-soft);
}

.method-panel {
  display: none;
  align-content: start;
  gap: 10px;
  padding: 0 4px;
}

.method-panel.active {
  display: grid;
}

.method-stage {
  overflow: hidden;
  height: 48px;
  margin: 0 -4px;
  transition: height 220ms ease;
}

.code-row,
.workspace-grid,
.provider-placeholder-list {
  display: grid;
  gap: 12px;
}

.code-row {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  width: 100%;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(-6px);
  transition: opacity 180ms ease, max-height 260ms ease, transform 220ms ease, margin 220ms ease;
  margin-top: 0;
  justify-items: center;
}

.code-row.visible {
  opacity: 1;
  max-height: 196px;
  transform: translateY(0);
  margin-top: 2px;
}

.code-support {
  width: 100%;
  display: grid;
  gap: 6px;
  justify-items: center;
}

.grow {
  min-width: 0;
  width: 100%;
}

.primary-button,
.provider-placeholder,
.workspace-button {
  border-radius: 18px;
  padding: 14px 16px;
  font-weight: 600;
}

.primary-button {
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
}

.secondary-button {
  border-radius: 18px;
  padding: 14px 16px;
  font-weight: 600;
  background: var(--ui-soft);
  color: var(--primary);
}

.primary-button:hover {
  transform: none;
}

.secondary-button:hover {
  transform: none;
  background: var(--subtle-hover);
}

.workspace-button {
  background: var(--subtle-hover);
  color: var(--primary);
}

.primary-button.full-width {
  width: 100%;
  margin-top: 2px;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0 0 2px;
  min-height: 28px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  align-self: center;
}

.text-button:hover {
  text-decoration: underline;
  transform: none;
}

.provider-placeholder {
  background: var(--surface-soft);
  color: var(--provider-muted);
  border: 1px solid var(--provider-border);
  text-align: left;
  cursor: not-allowed;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.45;
  transform: none;
  cursor: not-allowed;
}

.alt-login {
  margin-top: 16px;
  padding-top: 16px;
}

.divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  background: var(--line);
}

.divider span {
  color: var(--divider-text);
  font-weight: 500;
  font-size: 0.84rem;
  letter-spacing: 0;
  text-transform: none;
}

.provider-placeholder-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.inline-feedback {
  min-height: 0;
  margin-top: 0;
  border-radius: 12px;
  padding: 0 10px;
  border: 1px solid transparent;
  font-size: 0.88rem;
  text-align: center;
  width: 100%;
  overflow-wrap: anywhere;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(-4px);
  transition: opacity 180ms ease, max-height 220ms ease, transform 220ms ease, margin 220ms ease, padding 220ms ease;
}

.inline-feedback.success {
  color: var(--success);
  background: var(--success-bg);
}

.inline-feedback.error {
  color: var(--danger);
  background: var(--error-bg);
}

.inline-feedback.muted {
  color: var(--muted);
  background: transparent;
}

.inline-feedback:not(:empty) {
  padding: 6px 10px;
  opacity: 1;
  max-height: 80px;
  transform: translateY(0);
}

.intent-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  display: grid;
  gap: 14px;
}

.intent-copy {
  display: grid;
  gap: 8px;
}

.intent-panel h2,
.intent-panel p {
  margin-bottom: 0;
}

.intent-title,
.intent-message {
  text-wrap: balance;
}

.intent-message {
  color: var(--muted);
  line-height: 1.6;
}

.intent-meta {
  display: grid;
  gap: 10px;
}

.intent-meta-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.intent-meta-item span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.intent-meta-item strong {
  color: var(--primary);
  font-size: 0.98rem;
  font-weight: 600;
}

.intent-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.intent-button {
  width: 100%;
}

.workspace-picker {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.workspace-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.workspace-button {
  text-align: left;
}

.workspace-button strong,
.workspace-button span {
  display: block;
}

.workspace-button span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.transition-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: start center;
  padding: clamp(42px, 13vh, 112px) 24px 24px;
  background: var(--modal-overlay);
}

.modal-frame {
  width: fit-content;
  max-width: min(100%, 620px);
  padding: 34px 32px;
  text-align: left;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 12px;
}

.transition-topline {
  margin-bottom: 22px;
}

.transition-kicker {
  color: var(--primary-soft);
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 1.04rem;
  font-weight: 500;
  margin: 0;
  min-width: 0;
}

.transition-dots {
  display: inline-flex;
  gap: 3px;
  min-width: 22px;
}

.transition-dots span {
  animation: transition-dot 1.2s infinite ease-in-out;
}

.transition-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.transition-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: var(--modal-close-bg);
  color: var(--muted);
  cursor: pointer;
  flex: 0 0 auto;
}

.modal-close:hover {
  background: var(--modal-close-hover);
  transform: none;
}

.transition-panel h1 {
  font-size: clamp(1.55rem, 3.2vw, 2.45rem);
  margin-bottom: 0;
  max-width: 22ch;
  line-height: 1.15;
  text-align: left;
}

.transition-message {
  font-size: 1.08rem;
  margin: 18px 0 0;
  color: var(--muted);
}

.transition-detail {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.5;
}

.transition-badge {
  color: var(--muted);
  font-size: 1.04rem;
  font-weight: 500;
}

.transition-badge.loading {
  color: var(--warning);
}

.transition-badge.success {
  color: var(--success);
}

.transition-badge.error {
  color: var(--danger);
}

@keyframes transition-dot {
  0%,
  80%,
  100% {
    opacity: 0.28;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-1px);
  }
}

@media (max-width: 560px) {
  .workspace-grid,
  .provider-placeholder-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .login-shell {
    place-items: start center;
    padding: 12px 12px 18px;
  }

  .transition-screen {
    padding: 28px 12px 16px;
  }

  .login-card,
  .modal-frame {
    border-radius: 24px;
    padding: 18px 16px;
  }

  .modal-header {
    position: relative;
    padding-right: 48px;
  }

  .modal-close {
    position: absolute;
    top: 0;
    right: 0;
  }

  .transition-kicker {
    padding-top: 6px;
  }

  .card-topline,
  .picker-header,
  .code-row {
    grid-template-columns: 1fr;
    display: grid;
    align-items: stretch;
  }

  .action-summary {
    margin-top: 4px;
  }

  .action-line {
    font-size: 1rem;
  }

  .target-stage {
    --target-height: 56px;
    --target-font-size: 1.55rem;
  }

  .target-display {
    border-radius: 18px;
  }

  label {
    font-size: 0.88rem;
  }

  input,
  select,
  .primary-button,
  .secondary-button,
  .provider-placeholder,
  .workspace-button {
    padding: 12px 14px;
  }

  .intent-actions,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .method-stage {
    height: 48px;
  }

  .method-selector-button,
  .method-selector-option {
    padding: 12px 14px;
  }

  .method-selector-current {
    gap: 12px;
  }

  .method-selector-icon {
    width: 24px;
    height: 24px;
  }

  .method-selector-icon i {
    font-size: 21px;
  }
}