/* Professional workspace: neutral surfaces, readable controls, original ad geometry. */
:root {
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}
:root:not([data-theme]),
[data-theme='dark'] {
  --bg: #101216;
  --bg-surface: #171a20;
  --bg-panel: #1b1f27;
  --bg-toolbar: #20252e;
  --bg-hover: #2a303b;
  --bg-input: #14171d;
  --border: #323945;
  --border-soft: #4a5668;
  --text: #edf1f7;
  --text-muted: #a4afc0;
  --text-subtle: #ccd4e0;
  --accent: #82aaff;
  --accent-hover: #aac5ff;
  --accent-active: #5f92fa;
  --btn-fg: #d9e2ef;
  --btn-bg: #232a35;
  --btn-hover: #303b4a;
  --btn-active-bg: #487ae5;
  --btn-active-fg: #ffffff;
  --key: #82aaff;
  --string: #b2cc96;
  --number: #e8bb83;
  --bool: #c6acf0;
  --gutter-fg: #8190a5;
  --tab-bg: var(--bg-toolbar);
  --tab-border: var(--border);
  --tab-fg: var(--text-subtle);
  --tab-hover-bg: var(--btn-hover);
  --tab-active-bg: var(--btn-active-bg);
  --tab-active-fg: var(--btn-active-fg);
  --tab-active-border: var(--accent);
  --null: var(--text-muted);
  --scrollbar-thumb: var(--border);
  --scrollbar-thumb-hover: var(--border-soft);
  color-scheme: dark;
}
[data-theme='light'] {
  --bg: #f2f4f7;
  --bg-surface: #ffffff;
  --bg-panel: #ffffff;
  --bg-toolbar: #f8f9fc;
  --bg-hover: #e9edf5;
  --bg-input: #ffffff;
  --border: #d6dce6;
  --border-soft: #a4b2c8;
  --text: #202c40;
  --text-muted: #56657a;
  --text-subtle: #36465d;
  --accent: #285bca;
  --accent-hover: #1f4fac;
  --accent-active: #174194;
  --btn-fg: #36465d;
  --btn-bg: #ffffff;
  --btn-hover: #edf2fb;
  --btn-active-bg: #285bca;
  --btn-active-fg: #ffffff;
  --key: #245caa;
  --string: #35733d;
  --number: #93601a;
  --bool: #754ba6;
  --gutter-fg: #8796ac;
  --tab-bg: var(--bg-toolbar);
  --tab-border: var(--border);
  --tab-fg: var(--text-subtle);
  --tab-hover-bg: var(--btn-hover);
  --tab-active-bg: var(--btn-active-bg);
  --tab-active-fg: var(--btn-active-fg);
  --tab-active-border: var(--accent);
  --null: var(--text-muted);
  --scrollbar-thumb: var(--border);
  --scrollbar-thumb-hover: var(--border-soft);
  color-scheme: light;
}
[data-theme='monokai'] {
  --bg: #161713;
  --bg-surface: #1d1f19;
  --bg-panel: #23261e;
  --bg-toolbar: #292d23;
  --bg-hover: #343a2c;
  --bg-input: #191c15;
  --border: #3d4434;
  --border-soft: #5b674b;
  --text: #edf0e7;
  --text-muted: #acb59e;
  --text-subtle: #d1d9c5;
  --accent: #b4cb87;
  --accent-hover: #cfdfa9;
  --accent-active: #94b666;
  --btn-fg: #d1d9c5;
  --btn-bg: #2b3124;
  --btn-hover: #39442f;
  --btn-active-bg: #a9c776;
  --btn-active-fg: #17200f;
  --key: #b9d394;
  --string: #d9c78f;
  --number: #dfa982;
  --bool: #bcb5dd;
  --gutter-fg: #818e70;
  --tab-bg: var(--bg-toolbar);
  --tab-border: var(--border);
  --tab-fg: var(--text-subtle);
  --tab-hover-bg: var(--btn-hover);
  --tab-active-bg: var(--btn-active-bg);
  --tab-active-fg: var(--btn-active-fg);
  --tab-active-border: var(--accent);
  --null: var(--text-muted);
  --scrollbar-thumb: var(--border);
  --scrollbar-thumb-hover: var(--border-soft);
  color-scheme: dark;
}
[data-theme='dracula'] {
  --bg: #19171f;
  --bg-surface: #211e2a;
  --bg-panel: #282433;
  --bg-toolbar: #302b3c;
  --bg-hover: #3b354b;
  --bg-input: #1d1a26;
  --border: #454056;
  --border-soft: #655c7b;
  --text: #f0edf7;
  --text-muted: #b5abc9;
  --text-subtle: #d5cce4;
  --accent: #b9a1f2;
  --accent-hover: #d3bfff;
  --accent-active: #a186df;
  --btn-fg: #d5cce4;
  --btn-bg: #322c42;
  --btn-hover: #443a57;
  --btn-active-bg: #a48bda;
  --btn-active-fg: #1e152e;
  --key: #b9b0ec;
  --string: #b5d4ad;
  --number: #e4bd98;
  --bool: #d5a5ca;
  --gutter-fg: #8b7e9f;
  --tab-bg: var(--bg-toolbar);
  --tab-border: var(--border);
  --tab-fg: var(--text-subtle);
  --tab-hover-bg: var(--btn-hover);
  --tab-active-bg: var(--btn-active-bg);
  --tab-active-fg: var(--btn-active-fg);
  --tab-active-border: var(--accent);
  --null: var(--text-muted);
  --scrollbar-thumb: var(--border);
  --scrollbar-thumb-hover: var(--border-soft);
  color-scheme: dark;
}
[data-theme='nord'] {
  --bg: #17232e;
  --bg-surface: #1e2e3c;
  --bg-panel: #243646;
  --bg-toolbar: #2b4051;
  --bg-hover: #375065;
  --bg-input: #1b2a37;
  --border: #40586b;
  --border-soft: #608299;
  --text: #e7f0f5;
  --text-muted: #adc1d0;
  --text-subtle: #cddde8;
  --accent: #8ccad9;
  --accent-hover: #b0e0ea;
  --accent-active: #6ab2c3;
  --btn-fg: #cddde8;
  --btn-bg: #2e4658;
  --btn-hover: #3b596e;
  --btn-active-bg: #8ccad9;
  --btn-active-fg: #152c36;
  --key: #94cce5;
  --string: #b9cfad;
  --number: #e5c898;
  --bool: #c1b9e5;
  --gutter-fg: #819fb4;
  --tab-bg: var(--bg-toolbar);
  --tab-border: var(--border);
  --tab-fg: var(--text-subtle);
  --tab-hover-bg: var(--btn-hover);
  --tab-active-bg: var(--btn-active-bg);
  --tab-active-fg: var(--btn-active-fg);
  --tab-active-border: var(--accent);
  --null: var(--text-muted);
  --scrollbar-thumb: var(--border);
  --scrollbar-thumb-hover: var(--border-soft);
  color-scheme: dark;
}
body {
  font-size: 15px;
}
.site-header {
  height: 72px;
  padding: 0 28px;
  background: var(--bg-surface);
  position: relative;
}
.header-left {
  gap: 12px;
  min-width: 0;
}
.header-left .logo {
  width: 36px;
  height: 36px;
}
.workspace-heading {
  font-size: 22px;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin: 0;
}
.header-left .site-name {
  display: inline !important;
  font-size: inherit;
  font-weight: inherit;
}
.header-right {
  gap: 10px;
}
.header-btn {
  min-height: 42px;
  padding: 9px 13px;
  font-size: 14px;
  color: var(--text-subtle);
  background: var(--btn-bg);
}
.theme-option,
.lang-menu a,
.dropdown-item {
  padding: 10px 14px;
  font-size: 14px;
}
.theme-menu {
  min-width: 190px;
}
.action-bar {
  width: calc(100% - 48px);
  margin: 18px 24px 0;
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: relative;
  top: auto;
  z-index: 50;
}
.action-group {
  gap: 6px;
}
.action-btn {
  min-height: 42px;
  padding: 9px 14px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 550;
  color: var(--btn-fg);
}
.action-btn svg {
  width: 16px;
  height: 16px;
}
.action-btn.primary {
  background: var(--btn-active-bg);
  color: var(--btn-active-fg);
  border-color: transparent;
}
.action-btn.primary:hover {
  filter: brightness(1.08);
}
.action-btn.ai-trigger {
  color: var(--accent);
  background: var(--btn-bg);
  border: 1px solid var(--border-soft);
}
.action-bar select {
  height: 42px;
  font-size: 14px;
  padding-inline: 12px 28px;
}
.wrapper {
  width: 100%;
  max-width: none;
  padding: 0 24px;
  margin: 0;
}
.tool-page-shell > main {
  flex: 1;
}
.workspace-quickbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 2px 10px;
  color: var(--text-muted);
  font-size: 13px;
  flex-wrap: wrap;
}
.workspace-file {
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 10px;
}
.workspace-file > span {
  color: var(--accent);
}
.workspace-quickbar > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.workspace-quickbar button {
  background: none;
  border: 0;
  color: var(--text-subtle);
  font: inherit;
  padding: 6px 2px;
  cursor: pointer;
}
.workspace-quickbar button:hover {
  color: var(--accent);
}
.draft-setting {
  display: flex;
  gap: 7px;
  align-items: center;
  cursor: pointer;
}
.draft-setting input {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}
#draftStatus {
  color: var(--text-muted);
  font-size: 12px;
}
.workspace {
  margin: 0 0 16px;
  gap: 16px;
  min-height: 570px;
  height: calc(100dvh - 275px);
  flex: 1;
}
.pane {
  border-radius: 10px;
  border-color: var(--border);
  background: var(--bg-panel);
}
.pane:focus-within {
  border-color: var(--border-soft);
}
.editor-toolbar {
  padding: 10px 12px;
  gap: 7px;
  min-height: 58px;
  flex-wrap: wrap;
  background: var(--bg-toolbar);
}
.toolbar-label {
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.025em;
  margin-inline-end: 6px;
}
.btn-mini,
.output-toolbar .btn-mini {
  min-height: 34px;
  padding: 7px 9px;
  font-size: 13px;
  border-radius: 6px;
}
.btn-mini svg {
  width: 15px;
  height: 15px;
}
.pane-fullscreen-btn {
  width: 34px;
  height: 34px;
  flex-basis: 34px;
}
.output-toolbar .btn-mini span {
  display: inline;
}
.output-toolbar > .view-tabs {
  order: 10;
  flex: 1 1 100%;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: none;
  padding: 6px 0 0;
}
.output-toolbar .view-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 550;
  background: var(--btn-bg);
  color: var(--text-subtle);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}
.output-toolbar .view-tab:hover {
  background: var(--btn-hover);
  border-color: var(--accent);
  color: var(--text);
}
.output-toolbar .view-tab.active {
  background: var(--btn-active-bg);
  color: var(--btn-active-fg);
  border-color: var(--btn-active-bg);
  font-weight: 650;
  box-shadow: none;
}
.output-search {
  order: 11;
  flex: 1 1 100%;
  max-width: none;
  min-width: 0;
  margin: 2px 0 0;
  gap: 6px;
}
.output-search-field {
  height: 34px;
}
.output-search-field input {
  font-size: 13px;
}
.output-search-btn {
  height: 34px;
  width: 32px;
  flex-basis: 32px;
}
.output-search-count {
  font-size: 12px;
}
.ace_editor {
  min-height: 220px;
  font-family: var(--font-mono) !important;
  font-size: 15px !important;
}
.ace_editor .ace_variable {
  color: var(--key);
}
.ace_editor .ace_string {
  color: var(--string);
}
.ace_editor .ace_constant.ace_numeric {
  color: var(--number);
}
.ace_editor .ace_constant.ace_language {
  color: var(--bool);
}
.status-bar {
  min-height: 38px;
  padding: 8px 12px;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--bg-toolbar);
  font-size: 12px;
}
.stat-label,
.stat-value {
  font-size: 12px;
}
.pane.pane-fullscreen {
  min-height: 0;
  height: auto;
}
.ai-panel {
  border-radius: 10px;
  border-color: var(--border-soft);
}
.ai-header {
  background: var(--bg-toolbar);
}
.ai-quick-btn {
  font-size: 13px;
  min-height: 34px;
}
.ai-send-btn {
  background: var(--btn-active-bg);
  color: var(--btn-active-fg);
  font-size: 14px;
}
.ai-privacy {
  font-size: 12px;
  color: var(--text-muted);
  padding: 9px 14px;
  border-top: 1px solid var(--border);
}
.site-footer {
  padding: 16px 24px;
  font-size: 13px;
  background: var(--bg-surface);
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 5000;
  background: var(--btn-active-bg);
  color: var(--btn-active-fg);
  padding: 12px 18px;
  border-radius: 6px;
}
.skip-link:not(:focus) {
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  white-space: nowrap;
}
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
[dir='rtl'] .header-right {
  margin-left: 0;
  margin-inline-start: auto;
}
.page-content {
  max-width: 980px;
  padding: 48px 28px;
}
.page-content h1 {
  font-size: 36px;
}
.page-content p,
.page-content li {
  line-height: 1.85;
  font-size: 15px;
}
.page-header,
.page-footer {
  background: var(--bg-surface);
}
.page-header {
  padding: 20px max(24px, calc((100vw - 1100px) / 2));
}
.page-nav-link.is-active {
  background: var(--btn-active-bg);
  color: var(--btn-active-fg);
}
.guide-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 24px 0 40px;
}
.guide-index a,
.privacy-note a {
  color: var(--accent);
  text-underline-offset: 4px;
}
.tool-explainer {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 24px 0;
  background: var(--bg-surface);
  scroll-margin-top: 20px;
}
.tool-explainer h2 {
  font-size: 24px;
  margin: 0 0 16px;
}
.tool-explainer p,
.tool-explainer ol {
  color: var(--text-muted);
}
.tool-explainer ol {
  padding-inline-start: 24px;
}
.tool-explainer h3 {
  font-size: 16px;
  margin: 22px 0 10px;
}
.tool-explainer pre {
  padding: 18px;
  background: var(--bg-input);
  border-radius: 7px;
  font: 14px/1.7 var(--font-mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin: 12px 0 20px;
}
.tool-explainer a.action-btn {
  text-decoration: none;
  display: inline-flex;
}
.faq-section {
  margin: 44px 0 30px;
}
.faq-section h2 {
  font-size: 26px;
}
.faq-section details {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq-section summary {
  cursor: pointer;
  font-size: 16px;
}
.faq-section p,
.privacy-note {
  color: var(--text-muted);
  line-height: 1.8;
}
@media (min-width: 1800px) {
  .workspace {
    gap: 20px;
  }
  .editor-toolbar {
    padding: 12px 16px;
  }
}
@media (min-width: 769px) and (max-width: 1100px) {
  .workspace {
    flex-direction: row;
  }
}
@media (max-width: 768px) {
  .site-header {
    height: 64px;
    padding: 0 16px;
  }
  .workspace-heading {
    font-size: 20px;
  }
  .header-left .logo {
    height: 30px;
    width: 30px;
  }
  .hamburger-btn {
    height: 40px;
    width: 40px;
  }
  .action-bar {
    display: flex;
    width: calc(100% - 24px);
    margin: 12px 12px 0;
    padding: 8px;
    gap: 7px;
  }
  .action-group {
    gap: 5px;
    flex-wrap: wrap;
  }
  .action-btn {
    padding: 9px 11px;
    font-size: 14px;
    min-height: 42px;
  }
  .action-btn svg {
    display: none;
  }
  .action-bar > .spacer {
    display: none;
  }
  .action-bar select {
    font-size: 14px;
    max-width: 114px;
  }
  .wrapper {
    padding: 0 12px;
  }
  .workspace-quickbar {
    gap: 7px;
    padding: 12px 0 8px;
    font-size: 13px;
  }
  .workspace-quickbar > div {
    gap: 6px 12px;
  }
  .workspace-file {
    display: none;
  }
  .workspace {
    height: auto;
    min-height: 0;
    flex-direction: column;
    gap: 12px;
  }
  .pane {
    height: 520px;
    min-height: 520px;
    flex: none;
  }
  .editor-toolbar {
    padding: 10px;
    gap: 6px;
  }
  .output-toolbar .view-tab {
    flex: 0 0 auto;
    font-size: 14px;
    min-height: 40px;
    padding: 8px 11px;
  }
  .output-toolbar .btn-mini span {
    display: none;
  }
  .btn-mini {
    min-height: 36px;
    min-width: 36px;
  }
  .pane-fullscreen-btn {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }
  .status-bar {
    padding: 8px 10px;
  }
  .workspace .pane.pane-fullscreen {
    height: auto;
    min-height: 0;
  }
  .ace_editor {
    min-height: 180px;
    font-size: 14px !important;
  }
  .site-footer {
    padding: 16px 12px;
    gap: 12px;
  }
  .footer-links {
    gap: 12px 18px;
    justify-content: center;
  }
  .page-header {
    padding: 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .page-content {
    padding: 28px 18px;
  }
  .page-content h1 {
    font-size: 28px;
  }
  .tool-explainer {
    padding: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
@media print {
  .workspace-quickbar,
  .skip-link {
    display: none;
  }
  .workspace,
  .pane {
    height: auto;
  }
}