:root {
  color-scheme: light;
  --bg: #f8f6f2;
  --bg-accent: #f3f0ea;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(45, 27, 16, 0.12);
  --text: #1e1713;
  --muted: #6a5448;
  --accent: #f97316;
  --accent-strong: #ea580c;
  --shadow: 0 20px 50px rgba(41, 27, 18, 0.1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(251, 146, 60, 0.18), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
}

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  max-width: none;
  margin-bottom: 28px;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
}

.logo-slot {
  display: inline-flex;
  align-items: center;
  margin-bottom: 14px;
  padding: 2px 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-image {
  display: block;
  width: 150px;
  height: auto;
}

.theme-toggle {
  margin-left: auto;
  width: 44px;
  height: 44px;
  min-width: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  line-height: 1;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 18px;
}

.subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(249, 115, 22, 0.18);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-strong);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
}

.subnav a:hover {
  background: rgba(255, 255, 255, 0.95);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-strong);
  max-width: 720px;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  max-width: 720px;
}

.lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.notice {
  margin: 14px 0 0;
  max-width: 72ch;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(249, 115, 22, 0.24);
  background: rgba(249, 115, 22, 0.1);
  color: #9a3412;
  font-size: 0.94rem;
}

.panel {
  padding: 22px;
  border: 1px solid var(--panel-border);
  border-top: 4px solid rgba(249, 115, 22, 0.42);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.settings-grid {
  display: grid;
  gap: 12px;
  width: 100%;
  justify-items: stretch;
}

.settings-actions {
  display: grid;
  gap: 10px;
  align-items: center;
  grid-auto-flow: column;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  margin-top: 18px;
  align-items: center;
}

.toolbar-fields {
  display: grid;
  gap: 12px;
}

.toolbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  margin-top: 15px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 300px;
  gap: 18px;
  margin-top: 18px;
  align-items: stretch;
}

.content-grid > .panel {
  height: 100%;
}

.content-grid + .panel {
  margin-top: 22px;
}

.content-panel {
  line-height: 1.7;
}

.content-panel h2,
.faq-panel h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 1.15;
}

.content-panel p,
.faq-panel p,
.ad-card p {
  margin: 0;
  color: var(--muted);
}

.feature-list,
.step-list {
  margin: 16px 0;
  padding-left: 20px;
  color: var(--text);
}

.feature-list li,
.step-list li {
  margin-bottom: 10px;
}

.info-stack,
.faq-list {
  display: grid;
  gap: 14px;
}

.info-stack > div,
.faq-list article {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(31, 26, 20, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.faq-list h3,
.info-stack h2,
.info-stack strong {
  display: block;
  margin: 0 0 6px;
}

.faq-panel {
  margin-top: 18px;
  margin-bottom: 18px;
}

.ad-slot {
  display: none;
}

.ad-slot-banner {
  display: block;
  margin-bottom: 18px;
}

.ad-label {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}

.ad-card {
  min-height: 140px;
  padding: 18px;
  border: 1px dashed rgba(249, 115, 22, 0.35);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(243, 240, 234, 0.82));
}

.ad-card strong {
  display: block;
  margin-bottom: 8px;
}

.ad-card-tall {
  min-height: 240px;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(31, 26, 20, 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.loading-indicator {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 12px;
   border: 1px solid var(--panel-border);
   background: var(--panel);
   color: var(--text);
  font-weight: 600;
}

.loading-indicator[hidden] {
  display: none;
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(249, 115, 22, 0.26);
  border-top-color: var(--accent-strong);
  animation: spin 0.8s linear infinite;
}

.summary-card {
  padding: 14px 16px;
  border: 1px solid rgba(31, 26, 20, 0.09);
  border-radius: 18px;
  background: #fff;
}

.summary-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.summary-card strong {
  font-size: 1.4rem;
}

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

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: 15px;
  font-weight: 500;
  color: var(--muted);
}

.toggle input {
  width: 18px;
  height: 18px;
  padding: 0;
  margin: 0;
  accent-color: var(--accent);
}

.flag-toggle {
  width: fit-content;
}

.search {
  width: 100%;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(31, 26, 20, 0.14);
  border-radius: 14px;
  font: inherit;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
}

input:focus {
  outline: 3px solid rgba(249, 115, 22, 0.2);
  border-color: rgba(249, 115, 22, 0.55);
}

input[type="checkbox"] {
  width: auto;
  height: 18px;
  min-width: 18px;
  padding: 0;
  cursor: pointer;
  accent-color: var(--accent);
}

.page-checkbox {
  display: inline-block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin: 0;
  padding: 0;
  cursor: pointer;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(194, 65, 12, 0.22);
  transition: transform 120ms ease, box-shadow 180ms ease, filter 120ms ease, background-color 180ms ease;
}

button:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 16px 26px rgba(194, 65, 12, 0.27);
}

button:active {
  transform: translateY(0);
  filter: brightness(1.01);
}

button:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.28);
  outline-offset: 2px;
}

button.secondary {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(249, 115, 22, 0.2);
  box-shadow: none;
}

button.secondary:hover {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 16px rgba(194, 65, 12, 0.12);
}

button:disabled {
  cursor: not-allowed;
  transform: none;
  filter: none;
  opacity: 0.58;
  box-shadow: none;
}

.status {
  min-height: 44px;
  margin: 14px 0 12px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(249, 115, 22, 0.16);
  background: rgba(255, 255, 255, 0.86);
  /* color: #4f4538; */
  font-size: 0.95rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(31, 26, 20, 0.1);
}

th:first-child,
td:first-child {
  width: 50px;
  text-align: center;
  padding: 14px 6px;
}

th {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

td a {
  color: var(--accent-strong);
  word-break: break-all;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge.ok {
  color: #166534;
  background: rgba(22, 163, 74, 0.14);
}

.badge.warning {
  color: #9a3412;
  background: rgba(234, 88, 12, 0.12);
}

.badge.note {
  color: #9a3412;
  background: rgba(249, 115, 22, 0.15);
}

.copy-row-button {
  min-width: 88px;
}

.empty-row td {
  padding: 24px 12px;
  color: var(--muted);
  text-align: center;
}

.site-footer {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(31, 26, 20, 0.1);
  background: rgba(255, 255, 255, 0.62);
  color: #564a3d;
  font-size: 0.9rem;
  line-height: 1.5;
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 8px;
}

.footer-meta {
  color: var(--muted);
  font-size: 0.84rem;
}

.back-to-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid rgba(249, 115, 22, 0.2);
  background: rgba(255, 255, 255, 0.88);
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 700;
  transition: transform 120ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.back-to-tool:hover {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 16px rgba(194, 65, 12, 0.12);
  transform: translateY(-1px);
}

.back-to-tool:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.28);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 1100px);
    padding-top: 20px;
  }

  .panel {
    padding: 18px;
    border-radius: 18px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .settings-grid,
  .settings-actions,
  .toolbar {
    width: 100%;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .toolbar-fields {
    width: 100%;
  }

  .toggle {
    margin-left: 0;
  }

  .toolbar-actions {
    justify-content: stretch;
  }

  .toolbar-actions button,
  .settings-actions button {
    width: 100%;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .subnav {
    gap: 8px;
  }

  .subnav a {
    width: 100%;
    justify-content: center;
  }

  .info-stack > div,
  .faq-list article,
  .ad-card {
    padding: 14px;
  }

  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  button {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }

  .logo-slot {
    padding: 6px 8px;
  }

  .hero-top {
    align-items: flex-start;
  }

  .logo-image {
    width: 130px;
  }
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #16110d;
  --bg-accent: #1d1712;
  --panel: rgba(26, 21, 17, 0.86);
  --panel-border: rgba(255, 255, 255, 0.14);
  --text: #f6eee8;
  --muted: #c7b4a7;
  --accent: #fb923c;
  --accent-strong: #f97316;
  --shadow: 0 24px 54px rgba(0, 0, 0, 0.42);
}

:root[data-theme='dark'] body {
  background:
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.17), transparent 34%),
    radial-gradient(circle at top right, rgba(234, 88, 12, 0.19), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
}

:root[data-theme='dark'] .logo-slot {
  background: transparent;
}

:root[data-theme='dark'] .subnav a {
  background: rgba(31, 24, 19, 0.88);
  border-color: rgba(251, 146, 60, 0.28);
  color: #ffb98a;
}

:root[data-theme='dark'] .panel,
:root[data-theme='dark'] .summary-card,
:root[data-theme='dark'] .site-footer,
:root[data-theme='dark'] .status {
  background: rgba(31, 24, 19, 0.88);
  border-color: rgba(255, 255, 255, 0.14);
}

:root[data-theme='dark'] input {
  background: rgba(22, 18, 14, 0.96);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

:root[data-theme='dark'] .notice {
  background: rgba(249, 115, 22, 0.14);
  border-color: rgba(249, 115, 22, 0.4);
  color: #ffc9a6;
}

:root[data-theme='dark'] button.secondary {
  background: rgba(49, 38, 31, 0.9);
  border-color: rgba(251, 146, 60, 0.3);
  color: #ffb98a;
}

:root[data-theme='dark'] button.secondary:hover {
  background: rgba(58, 45, 37, 0.95);
}

:root[data-theme='dark'] td a {
  color: #ffb98a;
}

:root[data-theme='dark'] .badge.ok {
  color: #7ff2a8;
  background: rgba(22, 163, 74, 0.22);
}

:root[data-theme='dark'] .badge.warning,
:root[data-theme='dark'] .badge.note {
  color: #ffc7a3;
  background: rgba(249, 115, 22, 0.2);
}

:root[data-theme='dark'] .back-to-tool {
  background: rgba(49, 38, 31, 0.9);
  border-color: rgba(251, 146, 60, 0.3);
  color: #ffb98a;
}

:root[data-theme='dark'] .back-to-tool:hover {
  background: rgba(58, 45, 37, 0.95);
}

:root[data-theme='dark'] .info-stack > div,
:root[data-theme='dark'] .faq-list article {
  background: rgba(31, 24, 19, 0.72);
  border-color: rgba(255, 255, 255, 0.1);
}

:root[data-theme='dark'] .ad-card {
  background: linear-gradient(180deg, rgba(31, 24, 19, 0.86), rgba(24, 18, 14, 0.96));
  border-color: rgba(251, 146, 60, 0.34);
}

:root[data-theme='dark'] code {
  background: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']):not([data-theme='dark']) {
    --bg: #16110d;
    --bg-accent: #1d1712;
    --panel: rgba(26, 21, 17, 0.86);
    --panel-border: rgba(255, 255, 255, 0.14);
    --text: #f6eee8;
    --muted: #c7b4a7;
    --accent: #fb923c;
    --accent-strong: #f97316;
    --shadow: 0 24px 54px rgba(0, 0, 0, 0.42);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) body {
    background:
      radial-gradient(circle at top left, rgba(249, 115, 22, 0.17), transparent 34%),
      radial-gradient(circle at top right, rgba(234, 88, 12, 0.19), transparent 30%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .logo-slot {
    background: transparent;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .subnav a {
    background: rgba(31, 24, 19, 0.88);
    border-color: rgba(251, 146, 60, 0.28);
    color: #ffb98a;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .panel,
  :root:not([data-theme='light']):not([data-theme='dark']) .summary-card,
  :root:not([data-theme='light']):not([data-theme='dark']) .site-footer,
  :root:not([data-theme='light']):not([data-theme='dark']) .status {
    background: rgba(31, 24, 19, 0.88);
    border-color: rgba(255, 255, 255, 0.14);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) input {
    background: rgba(22, 18, 14, 0.96);
    border-color: rgba(255, 255, 255, 0.14);
    color: var(--text);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .notice {
    background: rgba(249, 115, 22, 0.14);
    border-color: rgba(249, 115, 22, 0.4);
    color: #ffc9a6;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) button.secondary {
    background: rgba(49, 38, 31, 0.9);
    border-color: rgba(251, 146, 60, 0.3);
    color: #ffb98a;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) button.secondary:hover {
    background: rgba(58, 45, 37, 0.95);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) td a {
    color: #ffb98a;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .badge.ok {
    color: #7ff2a8;
    background: rgba(22, 163, 74, 0.22);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .badge.warning,
  :root:not([data-theme='light']):not([data-theme='dark']) .badge.note {
    color: #ffc7a3;
    background: rgba(249, 115, 22, 0.2);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .back-to-tool {
    background: rgba(49, 38, 31, 0.9);
    border-color: rgba(251, 146, 60, 0.3);
    color: #ffb98a;
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .back-to-tool:hover {
    background: rgba(58, 45, 37, 0.95);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .info-stack > div,
  :root:not([data-theme='light']):not([data-theme='dark']) .faq-list article {
    background: rgba(31, 24, 19, 0.72);
    border-color: rgba(255, 255, 255, 0.1);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) .ad-card {
    background: linear-gradient(180deg, rgba(31, 24, 19, 0.86), rgba(24, 18, 14, 0.96));
    border-color: rgba(251, 146, 60, 0.34);
  }

  :root:not([data-theme='light']):not([data-theme='dark']) code {
    background: rgba(255, 255, 255, 0.1);
  }
}

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