@import url("https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  color-scheme: light;
  --font-family-display: "General Sans", "DM Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-family-primary: "DM Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-family-stack: var(--font-family-primary);
  --font-family-code: "JetBrains Mono", Consolas, "Liberation Mono", monospace;
  --font-size-overline: 11px;
  --font-size-caption: 12px;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-md: 14px;
  --font-size-lg: 15px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 60px;
  --font-size-4xl: 72px;
  --font-weight-base: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-base: 24px;

  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-secondary: #20970b;
  --color-neutral: #9c9c9c;
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-text-primary: #0a0a0a;
  --color-text-secondary: #6b6b6b;
  --color-border-default: #e8e8ec;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-on-primary: #fafafa;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 40px;
  --space-8: 64px;
  --space-9: 80px;
  --space-10: 96px;
  --page-max-width: 1280px;
  --page-gutter: 24px;
  --page-gutter-total: 48px;

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 12px;
  --radius-2xl: 9999px;
  --radius-step7: var(--radius-2xl);

  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-primary-hover: 0 4px 12px rgba(99, 102, 241, 0.35);
  --shadow-lg: 0 18px 48px rgba(10, 10, 10, 0.12);
  --shadow-focus: 0 0 0 3px rgba(99, 102, 241, 0.12);
  --motion-duration-instant: 150ms;
  --motion-duration-fast: 200ms;
  --motion-duration-normal: 300ms;
  --motion-duration-slow: 400ms;

  --color-surface-page: var(--color-background);
  --color-surface-panel: var(--color-surface);
  --color-surface-muted: #f4f4f5;
  --color-surface-raised: #f7f7f8;
  --color-surface-disabled: #eeeeef;
  --color-surface-scrim: rgba(255, 255, 255, 0.78);
  --color-border-dark: var(--color-border-default);
  --color-border-light: var(--color-border-default);
  --color-focus-ring: var(--color-primary);
  --shadow-soft: none;
  --shadow-lift: var(--shadow-card-hover);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-surface-page);
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle, rgba(99, 102, 241, 0.14) 1px, transparent 1px),
    var(--color-surface-page);
  background-size: 28px 28px;
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-base);
  line-height: var(--line-height-base);
  overflow-x: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button,
a,
input,
textarea,
label {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--color-primary);
}

code,
pre {
  font-family: var(--font-family-code);
}

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
  box-shadow: var(--shadow-focus);
}

.section,
.app-shell {
  width: min(var(--page-max-width), calc(100vw - var(--page-gutter-total)));
  margin: 0 auto;
}

.app-shell {
  padding: var(--space-5) 0 var(--space-8);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 56px;
  padding: 0 max(var(--page-gutter), calc((100vw - var(--page-max-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  background: var(--color-surface-scrim);
  border-bottom: 1px solid var(--color-border-dark);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-primary);
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: block;
  object-fit: contain;
}

.brand::after {
  content: "Toologist";
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  white-space: nowrap;
}

.brand-mark,
.tool-icon {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-family-display);
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
}

.site-search {
  position: relative;
  flex: 1 1 360px;
  max-width: 420px;
  margin-left: auto;
}

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

.site-search-field {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(10, 10, 10, 0.05);
  transition:
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease;
}

.site-search:focus-within .site-search-field {
  border-color: rgba(99, 102, 241, 0.55);
  box-shadow:
    var(--shadow-focus),
    0 12px 28px rgba(99, 102, 241, 0.12);
}

.site-search-field::before {
  content: "";
  width: 15px;
  height: 15px;
  margin-left: var(--space-3);
  flex: 0 0 auto;
  border: 2px solid var(--color-neutral);
  border-radius: 50%;
  box-shadow: 6px 6px 0 -4px var(--color-neutral);
  transform: rotate(-12deg);
}

.site-search input {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 var(--space-2);
  color: var(--color-text-primary);
  background: transparent;
  border: 0;
  outline: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.site-search input::placeholder {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.site-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 20;
  display: none;
  max-height: min(70vh, 420px);
  overflow-y: auto;
  padding: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.site-search-results.open {
  display: grid;
  gap: var(--space-1);
}

.site-search-result {
  min-height: 52px;
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-text-primary);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.site-search-result:hover,
.site-search-result.active {
  background: var(--color-surface-muted);
  border-color: var(--color-border-light);
}

.site-search-result strong,
.site-search-result small,
.site-search-path {
  display: block;
}

.site-search-result strong {
  font-size: var(--font-size-sm);
  line-height: 1.35;
}

.site-search-result small,
.site-search-path {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  line-height: 1.35;
}

.site-search-path {
  max-width: 45%;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-search-empty {
  padding: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav a {
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  display: inline-flex;
  align-items: center;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  transition:
    background-color var(--motion-duration-instant) ease,
    color var(--motion-duration-instant) ease,
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--color-surface-muted);
  border-color: var(--color-border-light);
  color: var(--color-primary);
}

.site-nav a:active {
  background: var(--color-surface-raised);
  color: var(--color-primary-hover);
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xs);
  background: var(--color-surface-panel);
  cursor: pointer;
  transition:
    background-color var(--motion-duration-instant) ease,
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--color-surface-muted);
  box-shadow: var(--shadow-soft);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  display: block;
  background: var(--color-text-primary);
  border-radius: var(--radius-step7);
  transition:
    transform var(--motion-duration-instant) ease,
    opacity var(--motion-duration-instant) ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: relative;
  padding-bottom: 10px;
  margin-bottom: -10px;
}

.nav-tools-link {
  gap: 6px;
}

.nav-tools-link::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--motion-duration-instant) ease;
}

.nav-menu:hover .nav-tools-link::after,
.nav-menu:focus-within .nav-tools-link::after {
  transform: translateY(1px) rotate(225deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 280px;
  max-height: min(72vh, 520px);
  overflow-y: auto;
  padding: var(--space-1);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lift);
  opacity: 0;
  transform: translateY(-4px);
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--motion-duration-instant) ease,
    transform var(--motion-duration-instant) ease,
    visibility 0s linear 180ms;
}

.nav-menu:hover .nav-dropdown,
.nav-menu:focus-within .nav-dropdown {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.nav-dropdown a {
  width: 100%;
  justify-content: flex-start;
  color: var(--color-text-primary);
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--color-neutral);
  font-size: var(--font-size-overline);
  font-weight: var(--font-weight-bold);
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--color-text-primary);
  font-family: var(--font-family-display);
  letter-spacing: -0.035em;
  overflow-wrap: break-word;
  text-wrap: balance;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(var(--font-size-2xl), 7vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  line-height: 0.95;
}

h2 {
  margin-bottom: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.05;
}

h3 {
  margin: 0 0 var(--space-1);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
}

.hero {
  min-height: calc(100vh - 56px);
  padding: var(--space-10) 0 var(--space-8);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: var(--space-8);
}

.hero-copy {
  max-width: 780px;
}

.hero-text {
  max-width: 720px;
  margin: var(--space-5) 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.5;
  text-wrap: pretty;
}

.hero-actions {
  margin-top: var(--space-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-actions .button {
  min-width: 190px;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.hero-visual {
  min-height: 460px;
  display: grid;
  align-items: center;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: none;
}

.feature-band {
  padding: var(--space-8) 0;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-7);
  border-top: 1px solid var(--color-border-dark);
}

.feature-band h2,
.section-heading h2 {
  margin: 0;
  font-size: var(--font-size-2xl);
  line-height: 1.05;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(260px, 420px);
  gap: var(--space-5);
}

.feature-grid article {
  padding: var(--space-6);
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  transition:
    transform var(--motion-duration-fast) ease,
    box-shadow var(--motion-duration-fast) ease,
    border-color var(--motion-duration-fast) ease;
}

.feature-grid article:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.22);
  box-shadow: var(--shadow-card-hover);
}

.feature-grid p,
.featured-tool small,
.tool-list p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.tools-preview,
.tool-list-section {
  padding: var(--space-8) 0 var(--space-8);
}

.tools-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.section-heading {
  margin-bottom: var(--space-6);
}

.tools-preview .section-heading {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.tools-preview .featured-tool {
  align-items: flex-start;
  min-height: 132px;
}

.tool-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  transition:
    transform var(--motion-duration-fast) ease,
    background-color var(--motion-duration-fast) ease,
    border-color var(--motion-duration-fast) ease,
    box-shadow var(--motion-duration-fast) ease;
}

.tool-card:hover,
.tool-card:focus-visible {
  transform: translateY(-2px);
  background: var(--color-surface-panel);
  border-color: rgba(99, 102, 241, 0.28);
  box-shadow: var(--shadow-card-hover);
}

.tool-card:active {
  transform: translateY(-1px);
}

.tool-card strong {
  display: block;
  margin-bottom: 5px;
  font-size: var(--font-size-xl);
  line-height: 1.3;
}

.tool-icon {
  flex: 0 0 auto;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.site-footer {
  min-height: 76px;
  padding: 0 max(var(--page-gutter), calc((100vw - var(--page-max-width)) / 2));
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface-panel);
  border-top: 1px solid var(--color-border-dark);
  color: var(--color-text-secondary);
}

.site-footer span {
  margin-right: auto;
  color: var(--color-text-primary);
  font-weight: 700;
}

.site-footer a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
}

.site-footer img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-primary);
}

.page-hero {
  padding: var(--space-8) 0 var(--space-6);
}

.page-hero p {
  max-width: 760px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.breadcrumb {
  margin-bottom: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-primary);
}

.tool-list {
  display: grid;
  gap: var(--space-5);
}

.topbar-actions,
.export-row,
.preset-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.button,
.preset-button,
.icon-button {
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  transition:
    transform var(--motion-duration-fast) ease,
    background-color var(--motion-duration-instant) ease,
    color var(--motion-duration-instant) ease,
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease,
    opacity var(--motion-duration-instant) ease;
}

.button {
  min-height: 38px;
  padding: 10px var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  text-decoration: none;
}

.button:disabled,
.button.is-loading,
.button[aria-busy="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.button:disabled,
.preset-button:disabled,
.icon-button:disabled {
  background: var(--color-surface-disabled);
  border-color: var(--color-border-light);
  color: var(--color-neutral);
}

.button:not(:disabled):not(.is-loading):not([aria-busy="true"]):hover,
.preset-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.button.is-loading,
.button[aria-busy="true"] {
  animation: pulse-loading 1200ms ease-in-out infinite;
}

.button.is-error {
  border-color: var(--color-error);
  background: transparent;
  color: var(--color-error);
}

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

.primary:not(:disabled):not(.is-loading):not([aria-busy="true"]):hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-primary-hover);
}

.primary:not(:disabled):not(.is-loading):not([aria-busy="true"]):active {
  background: var(--color-primary-hover);
}

.secondary {
  border-color: var(--color-border-light);
  background: transparent;
  color: var(--color-text-primary);
}

.secondary:not(:disabled):not(.is-loading):not([aria-busy="true"]):hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.secondary:not(:disabled):not(.is-loading):not([aria-busy="true"]):active {
  background: var(--color-surface-raised);
}

.tool-intro {
  padding: var(--space-7) 0 var(--space-4);
}

.tool-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: center;
}

.tool-intro p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.tool-intro-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.preview-panel,
.controls {
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
}

.preview-panel {
  overflow: hidden;
}

.preview-panel.is-loading {
  opacity: 0.7;
}

.drop-target {
  transition:
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease,
    background-color var(--motion-duration-instant) ease;
}

.drop-target.dragging {
  border-color: var(--color-primary);
  background: var(--color-surface-muted);
  box-shadow: var(--shadow-focus);
  user-select: none;
}

.panel-header {
  min-height: 74px;
  padding: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
}

.panel-header p,
.hint {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.panel-header p {
  margin: var(--space-2) 0 0;
}

.icon-button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border-light);
  background: var(--color-surface-panel);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  line-height: 1;
}

.icon-button:active {
  background: var(--color-surface-raised);
}

.icon-button.danger {
  color: var(--color-text-primary);
}

.canvas-frame {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.checkerboard {
  background-color: var(--color-surface-panel);
  background-image:
    linear-gradient(45deg, rgba(156, 156, 156, 0.12) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(156, 156, 156, 0.12) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(156, 156, 156, 0.12) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(156, 156, 156, 0.12) 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
}

canvas {
  max-width: 100%;
  max-height: 390px;
  width: auto;
  height: auto;
  display: none;
  image-rendering: auto;
}

canvas.visible {
  display: block;
}

.gif-output-preview {
  display: none;
  max-width: 100%;
  max-height: 390px;
  width: auto;
  height: auto;
}

.gif-output-preview.visible {
  display: block;
}

body[data-tool-mode="transparent"] #sourceCanvas.visible {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M14 3l7 7-2 2-2-2-9 9-5 2 2-5 9-9-2-2 2-2z' fill='%23000000' stroke='%23ffffeb' stroke-width='1.5'/%3E%3C/svg%3E") 4 20, crosshair;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  color: var(--color-text-secondary);
  text-align: center;
  background: rgba(247, 247, 248, 0.88);
}

.placeholder strong {
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.placeholder span {
  display: block;
}

.placeholder.hidden {
  display: none;
}

.hint {
  margin: 0;
  padding: var(--space-2) var(--space-5) var(--space-5);
}

.export-row {
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.controls {
  margin-top: var(--space-5);
  padding: var(--space-5);
  display: grid;
  grid-template-columns: 1.1fr 0.85fr 1fr;
  gap: var(--space-5);
}

.controls.controls-single {
  grid-template-columns: minmax(280px, 460px);
}

.control-group {
  min-width: 0;
  padding: var(--space-6);
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
}

.group-title {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-5);
}

.field,
.check-row {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.field input[type="text"],
.field input[type="number"],
.field input[type="url"],
.field input[type="password"],
.field textarea,
.field select {
  width: 100%;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: var(--color-surface-panel);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--motion-duration-instant) ease,
    box-shadow var(--motion-duration-instant) ease,
    background-color var(--motion-duration-instant) ease;
}

.field input::placeholder {
  color: var(--color-neutral);
  opacity: 1;
}

.field input[type="text"]:hover,
.field input[type="number"]:hover,
.field input[type="url"]:hover,
.field input[type="password"]:hover,
.field textarea:hover,
.field select:hover,
.color-field input[type="color"]:hover {
  border-color: var(--color-neutral);
}

.field input[type="text"]:focus,
.field input[type="number"]:focus,
.field input[type="url"]:focus,
.field input[type="password"]:focus,
.field textarea:focus,
.field select:focus,
.color-field input[type="color"]:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  outline: 0;
}

.field input.is-error,
.field input[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.field input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
}

.color-field {
  display: grid;
  grid-template-columns: 1fr 48px;
  gap: var(--space-1);
}

.color-field input[type="color"] {
  width: 48px;
  min-height: 40px;
  padding: var(--space-1);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: var(--color-surface-panel);
}

.check-row {
  grid-template-columns: 18px 1fr;
  align-items: start;
}

.check-row input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--color-primary);
}

.size-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.control-note {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.preset-button {
  min-height: 32px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-light);
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
}

.preset-button:hover,
.preset-button:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.toast-host {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 50;
  max-width: min(420px, calc(100vw - 36px));
  pointer-events: none;
}

.toast {
  margin: 0;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  line-height: 1.45;
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--motion-duration-instant) ease,
    transform var(--motion-duration-instant) ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.content-section {
  width: min(960px, calc(100vw - var(--page-gutter-total)));
  margin: 0 auto;
  padding: var(--space-7) 0 var(--space-8);
}

.content-section h2 {
  margin: var(--space-6) 0 var(--space-3);
  font-size: var(--font-size-3xl);
}

.content-section p,
.content-section li {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.seo-tool-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: var(--space-5);
  padding-bottom: var(--space-8);
}

.seo-panel {
  min-width: 0;
  padding: var(--space-5);
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}

.seo-panel .panel-header.compact {
  min-height: auto;
  padding: 0 0 var(--space-4);
  margin-bottom: var(--space-4);
}

.field textarea,
.code-output {
  resize: vertical;
  line-height: 1.5;
}

.code-output {
  width: 100%;
  min-height: 360px;
  padding: var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: var(--font-size-sm);
}

.code-output:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  outline: 0;
}

.serp-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.serp-action-row {
  padding: 0;
  border-top: 0;
}

.manual-serp-box {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.serp-summary {
  min-height: 96px;
  padding: var(--space-5);
  display: grid;
  gap: var(--space-2);
  align-content: center;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.serp-summary strong {
  font-size: var(--font-size-3xl);
  line-height: 1.1;
}

.serp-summary span {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.serp-summary.is-found {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

.serp-summary.is-missing {
  border-color: rgba(239, 68, 68, 0.28);
  background: rgba(239, 68, 68, 0.06);
}

.serp-table-wrap {
  max-height: 420px;
  margin-top: var(--space-4);
  overflow: auto;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.serp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.serp-table th,
.serp-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  text-align: left;
  vertical-align: top;
}

.serp-table th {
  position: sticky;
  top: 0;
  background: var(--color-surface-panel);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.serp-table td:first-child {
  width: 64px;
  font-weight: var(--font-weight-semibold);
}

.serp-table a {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.serp-table a:hover,
.serp-table a:focus-visible {
  color: var(--color-primary);
}

.serp-table small {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.serp-table tr.is-match {
  background: rgba(34, 197, 94, 0.08);
}

.serp-output {
  min-height: 180px;
  margin-top: var(--space-4);
}

.csv-reader-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(420px, 1fr);
  gap: var(--space-5);
  padding-bottom: var(--space-8);
}

.csv-upload-panel,
.csv-table-panel {
  min-width: 0;
  overflow: hidden;
  background: var(--color-surface-panel);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}

.csv-drop-area {
  position: relative;
  min-height: 250px;
}

.csv-controls {
  padding: var(--space-5);
  display: grid;
  grid-template-columns: minmax(160px, 0.45fr) minmax(220px, 1fr);
  gap: var(--space-4);
  align-items: end;
  border-bottom: 1px solid var(--color-border-light);
}

.csv-header-toggle {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.csv-table-wrap {
  max-height: 620px;
  overflow: auto;
  background: var(--color-surface-panel);
}

.csv-empty-state {
  min-height: 260px;
  padding: var(--space-6);
  display: grid;
  place-items: center;
  color: var(--color-text-secondary);
  text-align: center;
}

.csv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.csv-table th,
.csv-table td {
  max-width: 360px;
  padding: var(--space-3);
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  text-align: left;
  vertical-align: top;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.csv-table th {
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
}

.csv-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

.csv-table tbody th {
  position: sticky;
  left: 0;
  width: 64px;
  color: var(--color-text-secondary);
  text-align: right;
}

.csv-render-note {
  margin: 0;
  padding: var(--space-3) var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--color-border-light);
}

.option-group {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.option-group legend {
  padding: 0 var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.tool-status-badge {
  min-height: 36px;
  padding: var(--space-3) var(--space-4);
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-step7);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
}

.pdf-workspace {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.pdf-drop-area {
  position: relative;
  min-height: 330px;
  padding: var(--space-5);
}

.pdf-file-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.pdf-file-item {
  min-height: 56px;
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-surface-panel);
}

.pdf-file-item strong {
  display: block;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.pdf-file-item small {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

.pdf-queue-actions {
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.pdf-output-body {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-5);
}

.pdf-settings-wrap {
  width: 100%;
  padding: 0;
}

.pdf-settings-wrap .control-group {
  width: 100%;
}

.pdf-helper {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.pdf-select {
  width: 100%;
  min-height: 40px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: var(--color-surface-panel);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.pdf-downloads {
  display: grid;
  gap: var(--space-2);
}

.pdf-coming-panel {
  overflow: hidden;
}

.pdf-coming-content {
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.pdf-coming-content p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.pdf-feature-list {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

@keyframes pulse-loading {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 0.35;
  }
}

@media (max-width: 1024px) {
  .site-header {
    min-height: 56px;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .site-search {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    max-width: none;
    margin-left: 0;
  }

  .site-search-results {
    position: static;
    margin-top: var(--space-2);
    max-height: 360px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 3;
    width: 100%;
    display: none;
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border-dark);
  }

  .site-nav.open {
    display: grid;
    gap: var(--space-1);
  }

  .site-nav a {
    width: 100%;
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    justify-content: flex-start;
    background: var(--color-surface-panel);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
  }

  .nav-menu {
    width: 100%;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .nav-dropdown {
    display: none;
  }

  .pdf-workspace {
    grid-template-columns: 1fr;
  }

  .hero,
  .feature-band,
  .tools-preview,
  .tool-intro-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-8);
  }

  .hero-visual {
    min-height: auto;
  }

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

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

  .tool-intro-actions {
    justify-content: flex-start;
  }

  .workspace,
  .controls,
  .seo-tool-shell,
  .csv-reader-shell,
  .serp-form-grid {
    grid-template-columns: 1fr;
  }

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

  .canvas-frame {
    min-height: 310px;
  }

  canvas,
  .gif-output-preview {
    max-height: 310px;
  }
}

@media (max-width: 520px) {
  :root {
    --page-gutter: 16px;
    --page-gutter-total: 32px;
  }

  .brand::after {
    font-size: var(--font-size-lg);
  }

  .section,
  .app-shell {
    width: min(var(--page-max-width), calc(100vw - var(--page-gutter-total)));
  }

  .app-shell {
    padding: var(--space-4) 0 var(--space-7);
  }

  h1 {
    font-size: var(--font-size-2xl);
    line-height: 1.05;
  }

  .topbar-actions,
  .tool-intro-actions,
  .export-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tools-preview {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

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

  .site-footer {
    flex-wrap: wrap;
    align-items: center;
    row-gap: var(--space-2);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .site-footer span {
    width: 100%;
    margin-right: 0;
  }
}

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