:root {
  color-scheme: dark;
  --color-background: #081222;
  --color-surface: #0e1a2b;
  --color-surface-muted: #132238;
  --color-text: #f5f7fb;
  --color-text-strong: #f5f7fb;
  --color-text-muted: #a9b5c6;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.17);
  --color-primary: #d5ad43;
  --color-primary-hover: #e6c66e;
  --color-primary-soft: rgba(177, 133, 24, 0.14);
  --color-navy: #173b6c;
  --color-navy-hover: #204a82;
  --color-success: #45c18a;
  --color-success-soft: rgba(69, 193, 138, 0.13);
  --color-warning: #e8a832;
  --color-warning-soft: rgba(232, 168, 50, 0.14);
  --color-error: #ef737a;
  --color-error-soft: rgba(239, 115, 122, 0.13);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.14);
  --shadow-md: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --focus-ring: 0 0 0 3px rgba(213, 173, 67, 0.36);
  --page-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: clip;
  background:
    radial-gradient(circle at 82% 4%, rgba(23, 59, 108, 0.34), transparent 32rem),
    linear-gradient(180deg, #081222 0%, #0a1525 56%, #081222 100%);
  color: var(--color-text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

button,
label,
input[type="checkbox"],
input[type="radio"] {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

a {
  color: inherit;
}

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

h1,
h2,
h3 {
  color: var(--color-text-strong);
  letter-spacing: -0.025em;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #081222;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

#tk-keyword-mixer {
  min-height: 100vh;
  overflow: clip;
}

.page-shell {
  width: min(calc(100% - 40px), var(--page-width));
  margin-inline: auto;
  padding: 24px 0 72px;
}

.tool-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  margin-bottom: 28px;
}

.back-link,
.navigation-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: var(--color-text-muted);
  font-size: 0.91rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

.back-link:hover,
.navigation-link:hover {
  color: var(--color-text);
}

.brand-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(213, 173, 67, 0.45);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(177, 133, 24, 0.22), rgba(177, 133, 24, 0.07));
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.hero {
  max-width: 960px;
  padding: 42px 0 48px;
}

.eyebrow,
.section-kicker {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5.1vw, 4.75rem);
  font-weight: 790;
  letter-spacing: -0.052em;
  line-height: 1.04;
  text-wrap: balance;
}

.hero-lead {
  max-width: 850px;
  margin-bottom: 14px;
  color: #c5cfdd;
  font-size: clamp(1.15rem, 2vw, 1.38rem);
  line-height: 1.5;
}

.hero-copy {
  max-width: 800px;
  margin-bottom: 22px;
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 650;
}

.trust-list li {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: #d5dce7;
}

.trust-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(69, 193, 138, 0.12);
}

.expert-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-muted);
}

.expert-note p {
  margin: 0;
}

.compact-note {
  max-width: 800px;
  padding: 13px 15px;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-primary-soft);
  color: #d2dae5;
  font-size: 0.9rem;
}

.note-icon {
  display: grid;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--color-primary-hover);
  font-size: 0.75rem;
  font-weight: 800;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(350px, 0.92fr);
  align-items: start;
  gap: 24px;
  margin-bottom: 96px;
}

.form-panel,
.result-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 44%),
    var(--color-surface);
  box-shadow: var(--shadow-md);
}

.form-panel {
  min-width: 0;
  padding: 28px;
}

.panel-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.panel-intro h2,
.result-panel h2 {
  margin-bottom: 0;
  font-size: 1.42rem;
  line-height: 1.3;
}

.form-step {
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
}

.form-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.step-heading {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 13px;
  margin-bottom: 22px;
}

.step-number {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  border: 1px solid rgba(95, 145, 216, 0.34);
  background: rgba(23, 59, 108, 0.78);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
}

.step-heading h3 {
  margin-bottom: 4px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.step-heading p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.field-group {
  min-width: 0;
}

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

label,
legend {
  color: var(--color-text-strong);
  font-weight: 750;
}

.line-count,
.field-hint,
.field-meta,
.label-description {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.label-description {
  margin: -3px 0 8px;
}

.optional-label {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 2px;
}

textarea,
input[type="search"] {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: 11px;
  background: #0a1627;
  color: var(--color-text-strong);
  font-size: 1rem;
  transition: border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}

textarea {
  min-height: 142px;
  padding: 13px 14px;
  line-height: 1.55;
  resize: vertical;
}

input[type="search"] {
  min-height: 46px;
  padding: 9px 12px;
}

textarea::placeholder,
input::placeholder {
  color: #7f91a9;
  opacity: 1;
}

textarea:hover,
input[type="search"]:hover {
  border-color: rgba(118, 165, 229, 0.48);
}

textarea:focus,
input[type="search"]:focus,
button:focus-visible,
a:focus-visible,
input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-soft);
}

.field-meta {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.field-hint {
  display: block;
  margin-top: 6px;
  line-height: 1.45;
}

.field-error {
  margin: 7px 0 0;
  color: var(--color-error);
  font-size: 0.86rem;
  font-weight: 700;
}

.addition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.option-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0 0 28px;
  border: 0;
}

.option-fieldset:last-child {
  padding-bottom: 0;
}

.option-fieldset > legend {
  width: 100%;
  margin-bottom: 12px;
  padding: 0;
  font-size: 0.92rem;
}

.choice-stack {
  display: grid;
  gap: 9px;
}

.choice-card {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease;
}

.choice-card:hover:not(.is-disabled) {
  border-color: rgba(213, 173, 67, 0.54);
  transform: translateY(-1px);
}

.choice-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.choice-card input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.choice-card:has(input:focus-visible) {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.choice-control {
  position: relative;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 6px;
  background: #0a1627;
}

.choice-card input:checked + .choice-control {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.choice-card input:checked + .choice-control::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.choice-content {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 3px 12px;
  min-width: 0;
}

.choice-content strong {
  font-size: 0.9rem;
  font-weight: 750;
}

.dynamic-example {
  color: var(--color-text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.dynamic-example::before {
  content: "z. B. ";
  font-family: inherit;
  color: #7f91a9;
}

.availability-hint {
  flex-basis: 100%;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.choice-card.is-disabled {
  background: var(--color-surface-muted);
  cursor: not-allowed;
  opacity: 0.62;
}

.choice-card:not(.is-disabled) .availability-hint {
  display: none;
}

.segment-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  padding: 5px;
  border-radius: 12px;
  background: var(--color-surface-muted);
}

.segment-control label {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.segment-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segment-control label > span {
  display: flex;
  flex-direction: column;
  min-height: 64px;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--color-text-muted);
  text-align: center;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.segment-control input:checked + span {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-strong);
  box-shadow: var(--shadow-sm);
}

.segment-control input:focus-visible + span {
  box-shadow: var(--focus-ring);
}

.segment-control strong {
  font-size: 0.86rem;
}

.segment-control small {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.inline-hint {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.inline-hint > span {
  display: grid;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  place-items: center;
  margin-top: 1px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 800;
}

.switch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 78px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.018);
  cursor: pointer;
}

.switch-row > span {
  display: grid;
  gap: 2px;
}

.switch-row strong {
  font-size: 0.84rem;
  line-height: 1.35;
}

.switch-row small {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.4;
}

.switch-row input {
  position: relative;
  flex: 0 0 40px;
  width: 40px;
  height: 23px;
  margin: 0;
  border: 0;
  border-radius: 999px;
  appearance: none;
  background: #53647a;
  cursor: pointer;
  transition: background-color 150ms ease;
}

.switch-row input::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #f5f7fb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 150ms ease;
}

.switch-row input:checked {
  background: var(--color-primary);
}

.switch-row input:checked::after {
  transform: translateX(17px);
}

.create-step {
  padding-top: 30px;
}

.estimate-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 16px;
  margin-bottom: 14px;
  padding: 13px 15px;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  background: var(--color-surface-muted);
}

.estimate-box .estimate-label {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.estimate-box strong {
  grid-column: 1;
  color: var(--color-text-strong);
  font-size: 0.95rem;
}

.estimate-box > span:last-child {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  max-width: 260px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  text-align: right;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 17px;
  border-radius: 11px;
  cursor: pointer;
  font-size: 0.91rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

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

.button:active {
  transform: translateY(0);
}

.button-primary {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #081222;
  box-shadow: 0 8px 24px rgba(177, 133, 24, 0.2);
}

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

.button-secondary {
  border: 1px solid rgba(118, 165, 229, 0.28);
  background: rgba(23, 59, 108, 0.72);
  color: #eef5ff;
}

.button-secondary:hover {
  border-color: rgba(118, 165, 229, 0.55);
  background: var(--color-navy-hover);
}

.button-tertiary {
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.025);
  color: #d5dce6;
  font-size: 0.82rem;
}

.button-text {
  min-height: 44px;
  padding: 8px 4px;
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.button-text:hover {
  color: var(--color-error);
  text-decoration-color: currentColor;
}

#generate-button {
  width: 100%;
  min-height: 54px;
  font-size: 0.97rem;
}

.button-icon {
  font-size: 1.05rem;
}

.mobile-button-label {
  display: none;
}

.result-panel {
  min-width: 0;
  padding: 26px;
}

.empty-state {
  display: flex;
  min-height: 600px;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.empty-state > p:not(.section-kicker) {
  max-width: 390px;
  margin: 12px auto 24px;
  color: var(--color-text-muted);
  font-size: 0.93rem;
}

.empty-visual {
  position: relative;
  width: 82px;
  height: 82px;
  margin: 0 auto 24px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface-muted);
}

.empty-visual span {
  position: absolute;
  left: 18px;
  width: 46px;
  height: 6px;
  border-radius: 999px;
  background: #53647a;
}

.empty-visual span:nth-child(1) {
  top: 23px;
  width: 35px;
  background: var(--color-primary);
}

.empty-visual span:nth-child(2) {
  top: 38px;
}

.empty-visual span:nth-child(3) {
  top: 53px;
  width: 28px;
}

.example-preview {
  display: grid;
  gap: 8px;
  width: min(100%, 350px);
  margin: 0 auto;
  padding: 16px;
  border: 1px dashed var(--color-border-strong);
  border-radius: 12px;
  background: #0a1627;
  text-align: left;
}

.preview-label {
  margin-bottom: 3px;
  color: var(--color-text-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.example-preview code {
  display: block;
  color: var(--color-text);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.79rem;
  overflow-wrap: anywhere;
}

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.result-count {
  flex: 0 0 auto;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--color-success-soft);
  color: var(--color-success);
  font-size: 0.77rem;
  font-weight: 800;
}

.result-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
}

.result-stats strong {
  color: var(--color-text);
}

.stale-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 14px;
  padding: 9px 11px;
  border: 1px solid rgba(232, 168, 50, 0.38);
  border-radius: 9px;
  background: var(--color-warning-soft);
  color: #f3cf7a;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.45;
}

.filter-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 10px;
}

.filter-field {
  flex: 1;
  min-width: 0;
}

.filter-field label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.78rem;
}

.filter-count {
  flex: 0 0 auto;
  min-width: 72px;
  min-height: 46px;
  padding: 12px 5px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: right;
}

.keyword-list-wrap {
  max-height: 440px;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #0a1627;
  scrollbar-color: #53647a transparent;
}

.keyword-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: keyword;
}

.keyword-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  min-height: 39px;
  align-items: start;
  padding: 8px 12px 8px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-strong);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.79rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
  user-select: text;
  counter-increment: keyword;
}

.keyword-list li:last-child {
  border-bottom: 0;
}

.keyword-list li::before {
  content: counter(keyword);
  padding-right: 10px;
  color: #71839b;
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: 0.68rem;
  text-align: right;
  user-select: none;
}

.render-limit-note {
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--color-border);
  background: var(--color-warning-soft);
  color: #f3cf7a;
  font-size: 0.75rem;
  text-align: center;
}

.no-filter-results {
  margin: 0;
  padding: 28px 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  text-align: center;
}

.export-scope {
  margin: 16px 0 12px;
  padding: 0;
  border: 0;
}

.export-scope legend {
  margin-bottom: 7px;
  font-size: 0.76rem;
}

.scope-options {
  display: flex;
  gap: 8px;
}

.scope-options label {
  position: relative;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.scope-options input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.scope-options span {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 7px 9px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  color: var(--color-text-muted);
  font-size: 0.73rem;
  font-weight: 700;
  text-align: center;
}

.scope-options input:checked + span {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.scope-options input:focus-visible + span {
  box-shadow: var(--focus-ring);
}

.scope-options input:disabled + span {
  cursor: not-allowed;
  opacity: 0.5;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.result-actions .button {
  min-width: 0;
  padding-inline: 12px;
  font-size: 0.79rem;
}

#clear-button {
  display: flex;
  margin: 10px auto 0;
}

.content-section,
.guide-section {
  margin-bottom: 88px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin-bottom: 10px;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.2;
  text-wrap: balance;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.benefit-grid article {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.026), transparent 50%),
    var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.card-number {
  display: block;
  margin-bottom: 34px;
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.benefit-grid h3,
.guide-list h3 {
  margin-bottom: 8px;
  font-size: 1rem;
  line-height: 1.4;
}

.benefit-grid p,
.guide-list p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.87rem;
  line-height: 1.6;
}

.guide-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-list li {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  padding-right: 24px;
}

.guide-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 18px;
  left: 18px;
  width: 100%;
  height: 1px;
  background: var(--color-border-strong);
}

.guide-list li > span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  background: var(--color-background);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 850;
}

.seo-advice {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
  max-width: 1000px;
  margin: 0 auto 30px;
  padding: 30px;
  border: 1px solid rgba(213, 173, 67, 0.32);
  border-radius: var(--radius-lg);
  background: var(--color-primary-soft);
}

.advice-mark {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 14px;
  background: var(--color-primary);
  color: #081222;
  font-size: 1.3rem;
  font-weight: 900;
}

.seo-advice h2,
.author-box h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  line-height: 1.3;
}

.seo-advice p:not(.section-kicker),
.author-box p:not(.section-kicker) {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.seo-advice p:last-child,
.author-box p:last-child {
  margin-bottom: 0;
}

.author-box {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 25px 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.author-monogram {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 18px;
  border: 1px solid rgba(213, 173, 67, 0.45);
  background: linear-gradient(145deg, rgba(177, 133, 24, 0.22), rgba(177, 133, 24, 0.07));
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.author-note {
  font-size: 0.82rem !important;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 20px;
  bottom: 20px;
  max-width: min(390px, calc(100vw - 40px));
  padding: 12px 16px;
  border: 1px solid rgba(69, 193, 138, 0.45);
  border-radius: 11px;
  background: #123126;
  color: #a6e3c9;
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  font-weight: 750;
}

.toast[data-type="error"] {
  border-color: rgba(239, 115, 122, 0.5);
  background: var(--color-error-soft);
  color: var(--color-error);
}

.confirm-dialog {
  width: min(92vw, 470px);
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  background: var(--color-surface);
  box-shadow: 0 28px 80px rgba(11, 33, 62, 0.24);
}

.confirm-dialog::backdrop {
  background: rgba(11, 33, 62, 0.55);
  backdrop-filter: blur(2px);
}

.confirm-dialog form {
  position: relative;
  padding: 28px;
  text-align: center;
}

.dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.45rem;
}

.dialog-close:hover {
  background: var(--color-surface-muted);
}

.dialog-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  place-items: center;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  font-size: 1.2rem;
  font-weight: 850;
}

.confirm-dialog h2 {
  margin-bottom: 8px;
  font-size: 1.28rem;
}

.confirm-dialog p {
  margin-bottom: 22px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

[hidden] {
  display: none !important;
}

@media (min-width: 1100px) and (min-height: 760px) {
  .result-panel {
    position: sticky;
    top: 22px;
    max-height: calc(100vh - 44px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-color: #53647a transparent;
  }
}

@media (max-width: 1060px) {
  .tool-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  }

  .addition-grid,
  .switch-grid {
    grid-template-columns: 1fr;
  }

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

  .guide-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 10px;
  }

  .guide-list li:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: min(calc(100% - 32px), 760px);
  }

  .tool-nav {
    margin-bottom: 42px;
  }

  .tool-layout {
    grid-template-columns: 1fr;
    margin-bottom: 76px;
  }

  .empty-state {
    min-height: 460px;
  }

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

@media (max-width: 680px) {
  .page-shell {
    width: min(calc(100% - 24px), 600px);
    padding-top: 16px;
  }

  .tool-nav {
    align-items: center;
    margin-bottom: 34px;
  }

  .hero {
    margin-bottom: 30px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .hero-lead {
    font-size: 1.08rem;
  }

  .trust-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
    font-size: 0.82rem;
  }

  .form-panel,
  .result-panel {
    padding: 19px;
    border-radius: 17px;
  }

  .panel-intro {
    align-items: flex-start;
  }

  .panel-intro h2 {
    font-size: 1.25rem;
  }

  .demo-button {
    flex: 0 0 auto;
  }

  .form-step {
    padding: 26px 0;
  }

  .addition-grid,
  .switch-grid,
  .segment-control {
    grid-template-columns: 1fr;
  }

  .addition-grid {
    gap: 24px;
  }

  .choice-content {
    display: grid;
    justify-content: start;
  }

  .estimate-box {
    grid-template-columns: 1fr;
  }

  .estimate-box > span:last-child {
    grid-column: 1;
    grid-row: auto;
    max-width: none;
    margin-top: 4px;
    text-align: left;
  }

  .benefit-grid,
  .guide-list {
    grid-template-columns: 1fr;
  }

  .benefit-grid article {
    min-height: 0;
  }

  .card-number {
    margin-bottom: 24px;
  }

  .guide-list {
    gap: 24px;
  }

  .guide-list li:not(:last-child)::after {
    top: 18px;
    left: 18px;
    width: 1px;
    height: calc(100% + 24px);
    display: block;
  }

  .seo-advice,
  .author-box {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .advice-mark,
  .author-monogram {
    width: 48px;
    height: 48px;
    border-radius: 13px;
  }

  .content-section,
  .guide-section {
    margin-bottom: 68px;
  }
}

@media (max-width: 430px) {
  .back-link {
    font-size: 0.8rem;
  }

  .hero-copy {
    font-size: 0.95rem;
  }

  .trust-list {
    grid-template-columns: 1fr 1fr;
  }

  .form-panel,
  .result-panel {
    padding: 16px;
  }

  .panel-intro {
    display: grid;
  }

  .demo-button {
    width: 100%;
  }

  .step-heading {
    grid-template-columns: 32px 1fr;
    gap: 10px;
  }

  .step-number {
    width: 31px;
    height: 31px;
  }

  .result-header {
    display: grid;
  }

  .result-count {
    justify-self: start;
  }

  .filter-row {
    display: grid;
  }

  .filter-count {
    min-height: 0;
    padding: 0;
    text-align: left;
  }

  .scope-options,
  .result-actions,
  .dialog-actions {
    grid-template-columns: 1fr;
  }

  .scope-options {
    display: grid;
  }

  .desktop-button-label {
    display: none;
  }

  .mobile-button-label {
    display: inline;
  }
}

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

@media (prefers-contrast: more) {
  :root {
    --color-border: rgba(255, 255, 255, 0.42);
    --color-border-strong: rgba(255, 255, 255, 0.64);
    --color-text-muted: #d5dce6;
  }
}

.tk-mixer-page .tk-static-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 42px;
  padding: 22px 2px 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ba9bb;
  font-size: 0.82rem;
}

.tk-mixer-page .tk-static-legal nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.tk-mixer-page .tk-static-legal a {
  color: inherit;
  text-decoration: none;
}

.tk-mixer-page .tk-static-legal a:hover {
  color: #d2ad43;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 560px) {
  .tk-mixer-page .tk-static-legal {
    flex-direction: column;
    text-align: center;
  }
}