:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page-bg:
      linear-gradient(180deg, rgba(255, 253, 248, 0.82), rgba(244, 241, 234, 0.96)),
      repeating-linear-gradient(0deg, rgba(29, 35, 41, 0.035), rgba(29, 35, 41, 0.035) 1px, transparent 1px, transparent 32px);
    --panel-bg: rgba(255, 253, 248, 0.92);
    --panel-strong: #f9fafb;
    --field-bg: #fff;
    --chip-bg: rgba(255, 253, 248, 0.78);
    --tool-icon-bg: #e8eef7;
    --selected-bg: #e8eef7;
    --log-bg: #111820;
    --modal-backdrop: rgba(29, 35, 41, 0.42);
    --toast-bg: #1d2329;
    --toast-text: #fff;
    --text: #1d2329;
    --text-inverse: #fffdf8;
    --muted: #69737e;
    --line: #d9dedc;
    --line-strong: #aeb9b6;
    --blue: #1c6fd6;
    --blue-strong: #134e9a;
    --green: #20805f;
    --red: #b42318;
    --amber: #b76a00;
    --log-text: #d9e6ea;
    --log-muted: #9fb4bc;
    --log-link: #9bd6ff;
    --focus-ring: rgba(28, 111, 214, 0.14);
    --shadow: 0 16px 45px rgba(36, 43, 48, 0.12);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page-bg:
      linear-gradient(180deg, rgba(22, 25, 28, 0.94), rgba(12, 14, 17, 0.98)),
      repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.035) 1px, transparent 1px, transparent 32px);
    --panel-bg: rgba(24, 28, 31, 0.94);
    --panel-strong: #111519;
    --field-bg: #0e1215;
    --chip-bg: rgba(24, 28, 31, 0.82);
    --tool-icon-bg: #1b3348;
    --selected-bg: #15324f;
    --log-bg: #070a0d;
    --modal-backdrop: rgba(0, 0, 0, 0.66);
    --toast-bg: #eef3f4;
    --toast-text: #111519;
    --text: #f0f4f2;
    --text-inverse: #101316;
    --muted: #a4b0ad;
    --line: #384248;
    --line-strong: #657279;
    --blue: #78b9ff;
    --blue-strong: #b8d9ff;
    --green: #4fd39a;
    --red: #ff766d;
    --amber: #ffc15a;
    --log-text: #d8e7ec;
    --log-muted: #9fb4bc;
    --log-link: #9bd6ff;
    --focus-ring: rgba(120, 185, 255, 0.18);
    --shadow: 0 16px 45px rgba(0, 0, 0, 0.32);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --page-bg:
    linear-gradient(180deg, rgba(255, 253, 248, 0.82), rgba(244, 241, 234, 0.96)),
    repeating-linear-gradient(0deg, rgba(29, 35, 41, 0.035), rgba(29, 35, 41, 0.035) 1px, transparent 1px, transparent 32px);
  --panel-bg: rgba(255, 253, 248, 0.92);
  --panel-strong: #f9fafb;
  --field-bg: #fff;
  --chip-bg: rgba(255, 253, 248, 0.78);
  --tool-icon-bg: #e8eef7;
  --selected-bg: #e8eef7;
  --log-bg: #111820;
  --modal-backdrop: rgba(29, 35, 41, 0.42);
  --toast-bg: #1d2329;
  --toast-text: #fff;
  --text: #1d2329;
  --text-inverse: #fffdf8;
  --muted: #69737e;
  --line: #d9dedc;
  --line-strong: #aeb9b6;
  --blue: #1c6fd6;
  --blue-strong: #134e9a;
  --green: #20805f;
  --red: #b42318;
  --amber: #b76a00;
  --log-text: #d9e6ea;
  --log-muted: #9fb4bc;
  --log-link: #9bd6ff;
  --focus-ring: rgba(28, 111, 214, 0.14);
  --shadow: 0 16px 45px rgba(36, 43, 48, 0.12);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-bg:
    linear-gradient(180deg, rgba(22, 25, 28, 0.94), rgba(12, 14, 17, 0.98)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.035) 1px, transparent 1px, transparent 32px);
  --panel-bg: rgba(24, 28, 31, 0.94);
  --panel-strong: #111519;
  --field-bg: #0e1215;
  --chip-bg: rgba(24, 28, 31, 0.82);
  --tool-icon-bg: #1b3348;
  --selected-bg: #15324f;
  --log-bg: #070a0d;
  --modal-backdrop: rgba(0, 0, 0, 0.66);
  --toast-bg: #eef3f4;
  --toast-text: #111519;
  --text: #f0f4f2;
  --text-inverse: #101316;
  --muted: #a4b0ad;
  --line: #384248;
  --line-strong: #657279;
  --blue: #78b9ff;
  --blue-strong: #b8d9ff;
  --green: #4fd39a;
  --red: #ff766d;
  --amber: #ffc15a;
  --log-text: #d8e7ec;
  --log-muted: #9fb4bc;
  --log-link: #9bd6ff;
  --focus-ring: rgba(120, 185, 255, 0.18);
  --shadow: 0 16px 45px rgba(0, 0, 0, 0.32);
}

@media (prefers-color-scheme: light), (prefers-color-scheme: dark) {
  body {
    background: var(--page-bg);
    color: var(--text);
  }

  .brand-mark {
    background: var(--text);
    color: var(--text-inverse);
  }

  .brand p,
  .runtime,
  .badge,
  label,
  legend,
  .check,
  .segmented label {
    color: var(--muted);
  }

  .runtime,
  .badge,
  .theme-switch {
    border-color: var(--line);
    background: var(--chip-bg);
  }

  .runtime-dot {
    background: var(--amber);
  }

  .runtime.ok .runtime-dot {
    background: var(--green);
  }

  .runtime.error .runtime-dot {
    background: var(--red);
  }

  .tool {
    border-color: var(--line);
    background: var(--panel-bg);
    box-shadow: var(--shadow);
  }

  .tool-icon {
    background: var(--tool-icon-bg);
    color: var(--blue-strong);
  }

  textarea,
  input[type="url"],
  input[type="password"],
  input[type="file"] {
    border-color: var(--line);
    background: var(--field-bg);
    color: var(--text);
  }

  textarea:focus,
  input[type="url"]:focus,
  input[type="password"]:focus,
  input[type="file"]:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--focus-ring);
  }

  .result {
    background: var(--panel-strong);
  }

  .button {
    border-color: var(--line-strong);
    background: var(--field-bg);
    color: var(--text);
  }

  .button:hover {
    border-color: var(--blue);
    color: var(--blue-strong);
  }

  .button.primary {
    border-color: var(--blue);
    background: var(--blue);
    color: var(--text-inverse);
  }

  .button.primary:hover {
    border-color: var(--blue-strong);
    background: var(--blue-strong);
    color: var(--text-inverse);
  }

  .segmented {
    border-color: var(--line);
    background: var(--field-bg);
  }

  .segmented label {
    border-color: var(--line);
  }

  .segmented label:has(input:checked) {
    background: var(--selected-bg);
    color: var(--blue-strong);
  }

  .theme-switch label:has(input:checked) {
    background: var(--selected-bg);
    color: var(--blue-strong);
  }

  .log-panel {
    border-color: var(--line);
    background: var(--log-bg);
    color: var(--log-text);
  }

  .log-head {
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--log-muted);
  }

  .log-head a {
    color: var(--log-link);
  }

  .toast {
    background: var(--toast-bg);
    color: var(--toast-text);
  }

  .modal-backdrop {
    background: var(--modal-backdrop);
  }

  .modal-card {
    border-color: var(--line);
    background: var(--panel-bg);
    box-shadow: var(--shadow);
  }

  .cookie-help {
    border-color: var(--line);
    background: var(--panel-strong);
    color: var(--muted);
  }

  .icon-button {
    background: transparent;
    color: var(--text);
  }
}

:root[data-theme="light"] body,
:root[data-theme="dark"] body {
  background: var(--page-bg);
  color: var(--text);
}

:root[data-theme="light"] .brand-mark,
:root[data-theme="dark"] .brand-mark {
  background: var(--text);
  color: var(--text-inverse);
}

:root[data-theme="light"] .brand p,
:root[data-theme="light"] .runtime,
:root[data-theme="light"] .badge,
:root[data-theme="light"] label,
:root[data-theme="light"] legend,
:root[data-theme="light"] .check,
:root[data-theme="light"] .segmented label,
:root[data-theme="dark"] .brand p,
:root[data-theme="dark"] .runtime,
:root[data-theme="dark"] .badge,
:root[data-theme="dark"] label,
:root[data-theme="dark"] legend,
:root[data-theme="dark"] .check,
:root[data-theme="dark"] .segmented label {
  color: var(--muted);
}

:root[data-theme="light"] .runtime,
:root[data-theme="light"] .badge,
:root[data-theme="light"] .theme-switch,
:root[data-theme="dark"] .runtime,
:root[data-theme="dark"] .badge,
:root[data-theme="dark"] .theme-switch {
  border-color: var(--line);
  background: var(--chip-bg);
}

:root[data-theme="light"] .runtime-dot,
:root[data-theme="dark"] .runtime-dot {
  background: var(--amber);
}

:root[data-theme="light"] .runtime.ok .runtime-dot,
:root[data-theme="dark"] .runtime.ok .runtime-dot {
  background: var(--green);
}

:root[data-theme="light"] .runtime.error .runtime-dot,
:root[data-theme="dark"] .runtime.error .runtime-dot {
  background: var(--red);
}

:root[data-theme="light"] .tool,
:root[data-theme="dark"] .tool {
  border-color: var(--line);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

:root[data-theme="light"] .tool-icon,
:root[data-theme="dark"] .tool-icon {
  background: var(--tool-icon-bg);
  color: var(--blue-strong);
}

:root[data-theme="light"] textarea,
:root[data-theme="light"] input[type="url"],
:root[data-theme="light"] input[type="password"],
:root[data-theme="light"] input[type="file"],
:root[data-theme="dark"] textarea,
:root[data-theme="dark"] input[type="url"],
:root[data-theme="dark"] input[type="password"],
:root[data-theme="dark"] input[type="file"] {
  border-color: var(--line);
  background: var(--field-bg);
  color: var(--text);
}

:root[data-theme="light"] textarea:focus,
:root[data-theme="light"] input[type="url"]:focus,
:root[data-theme="light"] input[type="password"]:focus,
:root[data-theme="light"] input[type="file"]:focus,
:root[data-theme="dark"] textarea:focus,
:root[data-theme="dark"] input[type="url"]:focus,
:root[data-theme="dark"] input[type="password"]:focus,
:root[data-theme="dark"] input[type="file"]:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

:root[data-theme="light"] .result,
:root[data-theme="dark"] .result {
  background: var(--panel-strong);
}

:root[data-theme="light"] .button,
:root[data-theme="dark"] .button {
  border-color: var(--line-strong);
  background: var(--field-bg);
  color: var(--text);
}

:root[data-theme="light"] .button:hover,
:root[data-theme="dark"] .button:hover {
  border-color: var(--blue);
  color: var(--blue-strong);
}

:root[data-theme="light"] .button.primary,
:root[data-theme="dark"] .button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--text-inverse);
}

:root[data-theme="light"] .button.primary:hover,
:root[data-theme="dark"] .button.primary:hover {
  border-color: var(--blue-strong);
  background: var(--blue-strong);
  color: var(--text-inverse);
}

:root[data-theme="light"] .segmented,
:root[data-theme="dark"] .segmented {
  border-color: var(--line);
  background: var(--field-bg);
}

:root[data-theme="light"] .segmented label,
:root[data-theme="dark"] .segmented label {
  border-color: var(--line);
}

:root[data-theme="light"] .segmented label:has(input:checked),
:root[data-theme="dark"] .segmented label:has(input:checked) {
  background: var(--selected-bg);
  color: var(--blue-strong);
}

:root[data-theme="light"] .theme-switch label:has(input:checked),
:root[data-theme="dark"] .theme-switch label:has(input:checked) {
  background: var(--selected-bg);
  color: var(--blue-strong);
}

:root[data-theme="light"] .log-panel,
:root[data-theme="dark"] .log-panel {
  border-color: var(--line);
  background: var(--log-bg);
  color: var(--log-text);
}

:root[data-theme="light"] .log-head,
:root[data-theme="dark"] .log-head {
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--log-muted);
}

:root[data-theme="light"] .log-head a,
:root[data-theme="dark"] .log-head a {
  color: var(--log-link);
}

:root[data-theme="light"] .toast,
:root[data-theme="dark"] .toast {
  background: var(--toast-bg);
  color: var(--toast-text);
}

:root[data-theme="light"] .modal-backdrop,
:root[data-theme="dark"] .modal-backdrop {
  background: var(--modal-backdrop);
}

:root[data-theme="light"] .modal-card,
:root[data-theme="dark"] .modal-card {
  border-color: var(--line);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

:root[data-theme="light"] .cookie-help,
:root[data-theme="dark"] .cookie-help {
  border-color: var(--line);
  background: var(--panel-strong);
  color: var(--muted);
}

:root[data-theme="light"] .icon-button,
:root[data-theme="dark"] .icon-button {
  background: transparent;
  color: var(--text);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

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

.brand-mark,
.tool-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.brand-mark svg {
  width: 25px;
  height: 25px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.1;
}

.brand p {
  margin-top: 4px;
  font-size: 0.94rem;
}

.runtime,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid;
  border-radius: 999px;
  font-size: 0.86rem;
  white-space: nowrap;
}

.runtime-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.theme-switch legend,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.theme-switch {
  display: grid;
  grid-template-columns: 48px 64px 48px;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid;
  border-radius: 999px;
}

.theme-switch label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  margin: 0;
  padding: 0 12px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: none;
  user-select: none;
}

.theme-switch label,
.theme-switch label * {
  cursor: pointer;
}

.theme-switch svg {
  width: 18px;
  height: 18px;
}

.theme-switch input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.workspace {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tool {
  min-width: 0;
  border: 1px solid;
  border-radius: 8px;
  padding: 18px;
}

.tool-wide {
  grid-column: 1 / -1;
}

.tool-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.tool-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.tool-head h2 {
  font-size: 1rem;
  line-height: 1.2;
}

.tool-head .badge {
  margin-left: auto;
  min-height: 28px;
  border-radius: 8px;
  font-size: 0.8rem;
}

label,
legend {
  display: block;
  margin-bottom: 7px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

textarea,
input[type="url"],
input[type="password"],
input[type="file"] {
  width: 100%;
  border: 1px solid;
  border-radius: 8px;
  font: 0.93rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

textarea {
  min-height: 104px;
  resize: vertical;
  padding: 11px 12px;
}

input[type="url"],
input[type="password"],
input[type="file"] {
  height: 44px;
  padding: 0 12px;
}

.result {
  min-height: 86px;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 0 14px;
}

.controls-right {
  justify-content: flex-end;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid;
  border-radius: 8px;
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}

.button svg {
  width: 17px;
  height: 17px;
}

.button:disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
}

.span-2 {
  grid-column: 1 / -1;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.segmented {
  display: flex;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid;
  border-radius: 8px;
}

.segmented label {
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  border-right: 1px solid;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: none;
}

.segmented label:last-child {
  border-right: 0;
}

.segmented input {
  position: absolute;
  opacity: 0;
}

.log-panel {
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid;
  border-radius: 8px;
}

.log-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 42px;
  padding: 0 13px;
  border-bottom: 1px solid;
  font-size: 0.86rem;
  font-weight: 700;
}

.log-head a {
  font-weight: 800;
  text-decoration: none;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.icon-button svg {
  width: 19px;
  height: 19px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal-card {
  width: min(720px, 100%);
  max-height: min(760px, calc(100vh - 40px));
  overflow: auto;
  border: 1px solid;
  border-radius: 8px;
  padding: 18px;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.cookie-help {
  border: 1px solid;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 14px;
}

.cookie-help p + pre,
.cookie-help pre + p {
  margin-top: 10px;
}

pre {
  max-height: 280px;
  margin: 0;
  padding: 13px;
  overflow: auto;
  font: 0.82rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 18px);
  max-width: calc(100vw - 32px);
  border-radius: 8px;
  padding: 10px 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  font-weight: 700;
}

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

@media (max-width: 920px) {
  .workspace {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 24px, 1180px);
    padding-top: 18px;
  }

  .topbar,
  .top-actions,
  .brand,
  .controls,
  .download-grid {
    align-items: stretch;
  }

  .topbar,
  .top-actions,
  .controls {
    flex-direction: column;
  }

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

  .brand p {
    font-size: 0.88rem;
  }

  .runtime {
    justify-content: center;
  }

  .button {
    width: 100%;
  }
}