/* --------------------------------------------------------------------------
   Model Proof — design tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;
  --font-sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --font-mono:
    ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;

  --bg: #f5f5f7;
  --bg-elev: #ffffff;
  --bg-soft: #f5f5f7;
  --bg-hover: #e8e8ed;
  --input-bg: #ffffff;
  --text: #1d1d1f;
  --text-soft: #6e6e73;
  --text-faint: #86868b;
  --border: #d2d2d7;
  --border-strong: #c7c7cc;
  --accent: #0071e3;
  --accent-strong: #0062c4;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --green: #248a3d;
  --green-soft: rgba(36, 138, 61, 0.1);
  --red: #d70015;
  --red-soft: rgba(215, 0, 21, 0.08);
  --amber: #b25000;
  --amber-soft: rgba(178, 80, 0, 0.1);
  --ring-track: #e8e8ed;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  --hover-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  --button-bg: #0071e3;
  --button-hover: #0077ed;
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #000000;
  --bg-elev: #1d1d1f;
  --bg-soft: #2c2c2e;
  --bg-hover: #3a3a3c;
  --input-bg: #2c2c2e;
  --text: #f5f5f7;
  --text-soft: #a1a1a6;
  --text-faint: #86868b;
  --border: #424245;
  --border-strong: #545458;
  --accent: #2997ff;
  --accent-strong: #51a9ff;
  --accent-soft: rgba(41, 151, 255, 0.16);
  --green: #30d158;
  --green-soft: rgba(48, 209, 88, 0.13);
  --red: #ff453a;
  --red-soft: rgba(255, 69, 58, 0.13);
  --amber: #ff9f0a;
  --amber-soft: rgba(255, 159, 10, 0.14);
  --ring-track: #3a3a3c;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  --hover-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  --button-bg: #0071e3;
  --button-hover: #0077ed;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --bg: #000000;
    --bg-elev: #1d1d1f;
    --bg-soft: #2c2c2e;
    --bg-hover: #3a3a3c;
    --input-bg: #2c2c2e;
    --text: #f5f5f7;
    --text-soft: #a1a1a6;
    --text-faint: #86868b;
    --border: #424245;
    --border-strong: #545458;
    --accent: #2997ff;
    --accent-strong: #51a9ff;
    --accent-soft: rgba(41, 151, 255, 0.16);
    --green: #30d158;
    --green-soft: rgba(48, 209, 88, 0.13);
    --red: #ff453a;
    --red-soft: rgba(255, 69, 58, 0.13);
    --amber: #ff9f0a;
    --amber-soft: rgba(255, 159, 10, 0.14);
    --ring-track: #3a3a3c;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    --hover-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    --button-bg: #0071e3;
    --button-hover: #0077ed;
  }
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[hidden] {
  display: none !important;
}

.topbar,
.shell,
.footer {
  position: relative;
  z-index: 1;
  width: min(1080px, 100% - 40px);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 6px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-name span {
  color: var(--accent);
}

.brand-sub {
  padding-left: 10px;
  border-left: 1px solid var(--border-strong);
  color: var(--text-faint);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.local-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--text-soft);
  font-size: 11.5px;
  font-weight: 600;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-soft);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--text-soft);
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

.icon-btn:focus-visible,
.back-btn:focus-visible,
.input-action:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.icon-sun {
  display: none;
}

:root[data-theme='dark'] .icon-sun {
  display: block;
}

:root[data-theme='dark'] .icon-moon {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .icon-sun {
    display: block;
  }

  :root:not([data-theme='light']) .icon-moon {
    display: none;
  }
}

.shell {
  flex: 1 0 auto;
  padding: 8px 0 64px;
}

body[data-view='result'] .shell {
  padding-top: 26px;
}

/* --------------------------------------------------------------------------
   Hero + stepper
   -------------------------------------------------------------------------- */
.hero {
  max-width: 760px;
  padding: 62px 0 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(38px, 6vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
}

.hero-accent {
  color: var(--accent);
}

.hero p {
  max-width: 620px;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(15px, 2vw, 17.5px);
  line-height: 1.75;
}

.trust-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  color: var(--text-faint);
  font-size: 12px;
  font-weight: 600;
}

.trust-row i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border-strong);
}

.mobile-only {
  display: none;
}

body[data-view='config'] .hero,
body[data-view='model'] .hero,
body[data-view='result'] .hero {
  display: none;
}

body[data-view='result'] .stepper {
  display: none;
}

.stepper {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0 22px;
  padding: 0 4px;
}

.step {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-faint);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}

.step-dot {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--bg-elev);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s,
    box-shadow 0.2s;
}

.step.is-active {
  color: var(--text);
}

.step.is-active .step-dot {
  border-color: var(--button-bg);
  background: var(--button-bg);
  color: #fff;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.step.is-done {
  color: var(--text-soft);
}

.step.is-done .step-dot {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.step-line {
  flex: 1;
  max-width: 90px;
  height: 1px;
  background: var(--border);
}

/* --------------------------------------------------------------------------
   Panels
   -------------------------------------------------------------------------- */
.panel {
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-elev);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.panel-head h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.panel-head p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

.panel-head.with-back {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
}

.panel-head-copy {
  min-width: 0;
}

.back-btn {
  margin-top: 2px;
  padding: 5px 2px;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.back-btn:hover {
  color: var(--accent);
}

.provider-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.provider-chip svg,
.provider-chip img {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  object-fit: contain;
}

.fineprint {
  margin: 18px 0 0;
  color: var(--text-faint);
  font-size: 11.5px;
}

.noscript {
  padding: 14px;
  border-radius: 12px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   Provider cards
   -------------------------------------------------------------------------- */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.provider-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  width: 100%;
  padding: 21px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-soft);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.provider-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--bg-elev);
  box-shadow: var(--hover-shadow);
}

.provider-card:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.provider-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.provider-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elev);
}

.provider-icon svg,
.provider-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.provider-icon-img {
  display: block;
}

.only-dark {
  display: none;
}

:root[data-theme='dark'] .only-light {
  display: none;
}

:root[data-theme='dark'] .only-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .only-light {
    display: none;
  }

  :root:not([data-theme='light']) .only-dark {
    display: block;
  }
}

.provider-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.provider-name {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.provider-tag {
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-faint);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.provider-desc {
  color: var(--text-soft);
  font-size: 12.5px;
  line-height: 1.6;
}

.provider-arrow {
  align-self: center;
  margin-left: auto;
  color: var(--text-faint);
  font-size: 18px;
  transition:
    transform 0.2s,
    color 0.2s;
}

.provider-card:hover .provider-arrow {
  transform: translateX(3px);
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

label,
.label-text {
  font-size: 13.5px;
  font-weight: 650;
}

.optional,
.required {
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 650;
}

.optional {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-faint);
}

.required {
  background: var(--accent-soft);
  color: var(--accent);
}

input[type='text'],
input[type='url'],
input[type='password'],
input[type='search'] {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  transition:
    border-color 0.15s,
    box-shadow 0.15s,
    background 0.15s;
}

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

input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--input-bg);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap input {
  padding-right: 100px;
}

.input-action {
  position: absolute;
  right: 6px;
  padding: 7px 10px;
  border: 0;
  border-radius: 8px;
  background: var(--bg-hover);
  color: var(--text-soft);
  font: inherit;
  font-size: 11.5px;
  font-weight: 650;
  cursor: pointer;
}

.input-action:hover {
  background: var(--border-strong);
  color: var(--text);
}

.help {
  margin: 0;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.65;
}

.help code {
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.model-row {
  display: flex;
  gap: 10px;
}

.model-row input {
  flex: 1;
  min-width: 0;
}

.advanced {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-soft);
}

.advanced summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}

.advanced summary::-webkit-details-marker {
  display: none;
}

.advanced summary::after {
  content: '+';
  color: var(--text-faint);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.2s;
}

.advanced[open] summary::after {
  transform: rotate(45deg);
}

.advanced-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 4px 16px 18px;
  border-top: 1px solid var(--border);
}

.segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-hover);
}

.segment {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.segment input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segment:has(input:checked) {
  background: var(--bg-elev);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.segment:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 2px;
}

.form-error {
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
  border-radius: 12px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 12.5px;
  line-height: 1.6;
  word-break: break-word;
}

.notice {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--text-soft);
  font-size: 12.5px;
  line-height: 1.65;
}

.notice svg {
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--accent);
}

.notice strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.15s,
    background 0.15s,
    border-color 0.15s,
    box-shadow 0.15s,
    opacity 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary {
  background: var(--button-bg);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover:not(:disabled) {
  background: var(--button-hover);
}

.btn-secondary {
  border-color: var(--border);
  background: var(--bg-soft);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-soft);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-lg {
  padding: 15px 26px;
  border-radius: 14px;
  font-size: 14.5px;
}

.btn-sm {
  padding: 8px 12px;
  border-radius: 9px;
  font-size: 12px;
}

.btn-spinner,
.spinner {
  width: 15px;
  height: 15px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.btn-spinner {
  width: 13px;
  height: 13px;
  opacity: 0.8;
}

.spinner {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-width: 2.5px;
  border-color: var(--border);
  border-top-color: var(--accent);
}

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

/* --------------------------------------------------------------------------
   Connection summary + model picker
   -------------------------------------------------------------------------- */
.connection-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 22px;
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-size: 11.5px;
}

.summary-chip strong {
  color: var(--text);
  font-weight: 650;
}

.summary-chip code {
  display: inline-block;
  max-width: 320px;
  overflow: hidden;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-fetch-status {
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.6;
}

.model-fetch-status.is-error {
  color: var(--red);
}

.model-list-wrap {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-soft);
}

.model-list-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.search-input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px !important;
  border-radius: 9px !important;
  font-size: 12.5px !important;
}

.model-count {
  color: var(--text-faint);
  font-size: 11px;
  white-space: nowrap;
}

.model-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 270px;
  overflow: auto;
  padding: 6px;
}

.model-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 11px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
}

.model-item:hover {
  background: var(--bg-hover);
}

.model-item.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.model-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.model-item .model-id {
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-item .model-sub {
  max-width: 190px;
  margin-left: auto;
  overflow: hidden;
  color: var(--text-faint);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-item .model-check {
  flex: 0 0 auto;
  color: var(--accent);
  opacity: 0;
}

.model-item.is-selected .model-check {
  opacity: 1;
}

.model-list-empty {
  padding: 24px;
  color: var(--text-faint);
  font-size: 12.5px;
  text-align: center;
}

.model-list-hint {
  margin: 0;
  padding: 9px 12px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 10.5px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Live testing
   -------------------------------------------------------------------------- */
.testing {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.testing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.testing-title {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.testing-title strong {
  display: block;
  font-size: 14.5px;
}

.testing-title > div {
  min-width: 0;
}

#testingPhase {
  display: block;
  margin-top: 2px;
  color: var(--text-soft);
  font-size: 12px;
}

.testing-endpoint {
  display: block;
  max-width: 560px;
  margin-top: 4px;
  overflow: hidden;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.testing-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.elapsed {
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.testing-progress {
  height: 4px;
  margin: 16px 0 18px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--bg-soft);
}

#testingBar {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: var(--button-bg);
  transition: width 0.5s ease;
}

.live-checks {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow: auto;
}

.live-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 9px;
  background: var(--bg-soft);
  font-size: 12px;
  animation: fade-in 0.25s ease;
}

.live-check .status {
  flex: 0 0 auto;
  margin-top: 1px;
}

.live-check.is-pass .status {
  color: var(--green);
}

.live-check.is-fail .status {
  color: var(--red);
}

.live-check .name {
  color: var(--text);
  line-height: 1.5;
}

.live-check .detail {
  margin-top: 2px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  word-break: break-word;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   Result
   -------------------------------------------------------------------------- */
.result-hero {
  display: flex;
  align-items: center;
  gap: clamp(22px, 4vw, 44px);
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.score-ring {
  --ring-color: var(--green);
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 132px;
  height: 132px;
}

.score-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-track,
.score-progress {
  fill: none;
  stroke-width: 9;
}

.score-track {
  stroke: var(--ring-track);
}

.score-progress {
  stroke: var(--ring-color);
  stroke-linecap: round;
  stroke-dasharray: 339.292;
  stroke-dashoffset: 339.292;
  transition:
    stroke-dashoffset 0.7s ease,
    stroke 0.3s ease;
}

.score-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.score-inner strong {
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.score-inner span {
  color: var(--text-faint);
  font-size: 11px;
}

.result-copy {
  flex: 1;
  min-width: 0;
}

.result-copy h2 {
  margin: 10px 0 8px;
  font-size: clamp(23px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.result-copy h2:focus {
  outline: none;
}

.result-copy p {
  max-width: 640px;
  margin: 0;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.7;
}

.verdict-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}

.verdict-pill.is-pass {
  background: var(--green-soft);
  color: var(--green);
}

.verdict-pill.is-warn {
  background: var(--amber-soft);
  color: var(--amber);
}

.verdict-pill.is-fail {
  background: var(--red-soft);
  color: var(--red);
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
}

.tag {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-size: 10.5px;
}

.tag strong {
  color: var(--text);
  font-weight: 650;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.meta-item {
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
}

.meta-item dt {
  margin-bottom: 4px;
  color: var(--text-faint);
  font-size: 10.5px;
}

.meta-item dd {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meta-item dd.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

.result-groups {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result-group h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  font-size: 13px;
  font-weight: 700;
}

.result-group h3 .count {
  margin-left: auto;
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
}

.check-row + .check-row {
  margin-top: 5px;
}

.check-row.is-pass {
  border-color: color-mix(in srgb, var(--green) 18%, var(--border));
}

.check-row.is-fail {
  border-color: color-mix(in srgb, var(--red) 26%, var(--border));
  background: color-mix(in srgb, var(--red-soft) 55%, var(--bg-soft));
}

.check-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border-radius: 50%;
}

.check-row.is-pass .check-icon {
  background: var(--green-soft);
  color: var(--green);
}

.check-row.is-fail .check-icon {
  background: var(--red-soft);
  color: var(--red);
}

.check-body {
  flex: 1;
  min-width: 0;
}

.check-name {
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.5;
}

.check-detail {
  margin-top: 4px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.check-time {
  margin-left: 8px;
  color: var(--text-faint);
  font-size: 10px;
  white-space: nowrap;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.raw-details {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.raw-details summary {
  color: var(--text-soft);
  font-size: 12px;
  cursor: pointer;
}

.raw-details pre {
  max-height: 360px;
  margin: 14px 0 0;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Login
   -------------------------------------------------------------------------- */
.login-body {
  justify-content: center;
}

.login-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: min(420px, 100% - 32px);
  margin: 0 auto;
  padding: clamp(28px, 8vh, 72px) 0 40px;
}

.login-brand {
  align-self: center;
}

.login-panel {
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 100%;
}

.login-head h1 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.login-head p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

.login-submit {
  width: 100%;
}

.login-note {
  margin: 0;
  color: var(--text-faint);
  font-size: 11.5px;
  line-height: 1.6;
  text-align: center;
}

.logout-form {
  display: inline-flex;
  margin: 0;
}

.icon-btn.is-text {
  width: auto;
  padding: 0 12px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Footer + toast
   -------------------------------------------------------------------------- */
.footer {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 11.5px;
}

.footer a {
  color: var(--text-soft);
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent);
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  z-index: 50;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg-elev);
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition:
    opacity 0.2s,
    transform 0.2s;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .provider-grid {
    grid-template-columns: 1fr;
  }

  .provider-card {
    align-items: center;
  }
}

@media (max-width: 800px) {
  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  .shell,
  .footer {
    width: calc(100% - 28px);
  }

  .topbar {
    padding-top: 16px;
  }

  .brand-sub,
  .local-pill {
    display: none;
  }

  .hero {
    padding: 36px 0 28px;
  }

  .hero h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .mobile-only {
    display: block;
  }

  .stepper {
    gap: 7px;
    margin-bottom: 16px;
    padding: 0;
  }

  .step {
    gap: 7px;
    font-size: 12px;
  }

  .step-line {
    max-width: none;
  }

  .panel {
    border-radius: 16px;
  }

  .panel-head.with-back {
    grid-template-columns: 1fr auto;
  }

  .panel-head.with-back .back-btn {
    grid-column: 1 / -1;
    justify-self: start;
    margin-bottom: 2px;
  }

  .panel-head.with-back .provider-chip {
    align-self: start;
  }

  .form-actions .btn {
    width: 100%;
  }

  .result-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .score-ring {
    width: 112px;
    height: 112px;
  }

  .score-inner strong {
    font-size: 26px;
  }

  .testing-head {
    align-items: flex-start;
  }

  .testing-title {
    gap: 10px;
  }

  .testing-endpoint {
    max-width: 52vw;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .step-label {
    display: none;
  }

  .step {
    gap: 0;
  }

  .stepper {
    gap: 10px;
  }

  .model-row {
    flex-direction: column;
  }

  .model-row .btn {
    width: 100%;
  }

  .result-actions .btn {
    flex: 1 1 calc(50% - 9px);
  }

  .result-actions .btn:last-child {
    flex-basis: 100%;
  }
}

@media (max-width: 480px) {
  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .meta-item:nth-child(3),
  .meta-item:last-child {
    grid-column: 1 / -1;
  }

  .trust-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .segmented {
    flex-direction: column;
  }

  .testing-endpoint {
    max-width: 46vw;
  }

  .elapsed {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}