:root {
  --paper: #f3efe2;
  --panel: #fffaf0;
  --panel-2: #f7f0dc;
  --ink: #151c19;
  --muted: #59665f;
  --faint: #849189;
  --line: #cabf9e;
  --line-strong: #8b8064;
  --accent: #0c5b4a;
  --accent-2: #b85f2c;
  --accent-3: #d6a532;
  --danger: #a93c2e;
  --success: #1f6b43;
  --shadow: 8px 8px 0 rgba(21, 28, 25, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(214, 165, 50, 0.22), transparent 22rem),
    radial-gradient(circle at 9% 24%, rgba(12, 91, 74, 0.14), transparent 24rem),
    var(--paper);
  font-family: "IBM Plex Sans", sans-serif;
}

a {
  color: inherit;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(21, 28, 25, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 28, 25, 0.075) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black 0%, black 62%, transparent 100%);
}

.wrap {
  width: min(980px, calc(100% - 28px));
  margin: 0 auto;
  padding: 42px 0 34px;
}

.hero {
  margin-bottom: 22px;
}

.kicker,
.section-label {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.brand-mark {
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: #fff7e3;
  background: var(--accent);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3.2rem, 10vw, 6.9rem);
  line-height: 0.9;
}

h2 {
  font-size: clamp(1.42rem, 3.2vw, 2.35rem);
  line-height: 1;
}

.subtitle {
  max-width: none;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.55;
}

.disclaimer {
  max-width: none;
  margin-top: 18px;
  padding: 13px 15px;
  color: #31271f;
  background: #fff2c6;
  border: 1px solid #c59639;
  font-size: 0.94rem;
  line-height: 1.45;
  white-space: nowrap;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.link-row a,
.sample-option,
.secondary-button {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255, 250, 240, 0.82);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.link-row a {
  padding: 7px 10px;
}

.link-row a:hover,
.sample-option:hover,
.secondary-button:hover {
  background: #f2dba0;
}

.panel {
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
  background: rgba(255, 250, 240, 0.94);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 9px;
  color: #fff7e3;
  background: var(--accent);
  border: 1px solid var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
}

.pill.muted {
  color: var(--ink);
  background: var(--panel-2);
}

.sample-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.sample-option {
  padding: 8px 10px;
}

.sample-option[aria-pressed="true"] {
  color: #fff7e3;
  background: var(--accent-2);
}

.field {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
}

textarea,
input[type="password"] {
  width: 100%;
  color: var(--ink);
  background: #fffdf6;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  font: inherit;
}

textarea {
  min-height: 230px;
  padding: 14px;
  line-height: 1.55;
  resize: vertical;
}

textarea:focus,
input[type="password"]:focus {
  outline: 3px solid rgba(214, 165, 50, 0.45);
  outline-offset: 1px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 10px 0 0;
}

.settings-grid label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  padding: 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.settings-grid span {
  color: var(--accent-2);
  font-family: "IBM Plex Mono", monospace;
}

input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--accent);
}

.api-key-box,
.config-box,
.original-box {
  margin-top: 12px;
  padding: 12px;
  background: rgba(247, 240, 220, 0.74);
  border: 1px dashed var(--line-strong);
}

.config-box {
  color: var(--muted);
  background: rgba(247, 240, 220, 0.46);
  border-color: rgba(139, 128, 100, 0.6);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

.api-key-box input {
  margin-top: 6px;
  padding: 10px 12px;
}

.api-key-box p,
.config-box p,
.original-box p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.config-box p {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
}

.field.compact {
  margin-top: 12px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.primary-button,
.secondary-button {
  min-height: 42px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  color: #fff7e3;
  background: var(--accent);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.primary-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--ink);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: 4px 4px 0 var(--ink);
}

.secondary-button {
  padding-inline: 12px;
}

.progress-wrap {
  height: 8px;
  margin-top: 16px;
  overflow: hidden;
  background: #e8dcc1;
  border: 1px solid var(--line-strong);
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-3), var(--accent-2));
  transition: width 220ms ease;
}

.progress-bar.is-running {
  width: 100%;
  animation: progressSweep 1.25s ease-in-out infinite;
}

@keyframes progressSweep {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.status-line {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.86rem;
}

.status-line[data-tone="busy"] {
  color: var(--accent-2);
}

.status-line[data-tone="done"] {
  color: var(--success);
}

.status-line[data-tone="error"] {
  color: var(--danger);
}

.result-panel {
  margin-bottom: 20px;
}

.result-copy {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 150px;
  padding: 12px 14px;
  background: #fffdf6;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
  text-align: left;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.result-copy.placeholder {
  color: var(--faint);
}

#outputBody {
  display: block;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 0;
}

.output-action-note {
  margin-top: 10px;
  padding: 8px 10px;
  color: var(--success);
  background: rgba(31, 107, 67, 0.09);
  border: 1px solid rgba(31, 107, 67, 0.4);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
}

.output-action-note[data-tone="error"] {
  color: var(--danger);
  background: rgba(169, 60, 46, 0.09);
  border-color: rgba(169, 60, 46, 0.4);
}

.output-action-note[data-tone="neutral"] {
  color: var(--accent-2);
  background: rgba(214, 165, 50, 0.12);
  border-color: rgba(184, 95, 44, 0.36);
}

.detector-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.detector-links-label {
  margin-right: 2px;
}

.detector-links button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 6px 9px 6px 7px;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.detector-links button:hover:not(:disabled) {
  color: #fff7e3;
  background: var(--accent-2);
}

.detector-links button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.detector-logo {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: #fff7e3;
  border: 1px solid rgba(21, 28, 25, 0.34);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pangram-logo {
  background: #d96b2c;
}

.gptzero-logo {
  background: #1f6b43;
}

.grammarly-logo {
  background: #027e6f;
}

.tell-logo {
  background: #234b82;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.metric-grid div {
  min-height: 70px;
  padding: 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.metric-grid span {
  display: block;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-grid strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
}

.feedback-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.feedback-row button {
  min-height: 34px;
  padding: 6px 10px;
  color: var(--ink);
  background: #fffdf6;
  border: 1px solid var(--line-strong);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.feedback-row button:hover:not(:disabled),
.feedback-row button[aria-pressed="true"] {
  color: #fff7e3;
  background: var(--accent);
}

.feedback-row button:disabled {
  cursor: default;
  opacity: 0.7;
}

.feedback-row strong {
  min-width: 72px;
  color: var(--success);
  font-weight: 600;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent-2);
  text-decoration: underline;
}

.privacy-hero h1 {
  font-size: clamp(2.9rem, 8vw, 5.8rem);
}

.privacy-panel {
  line-height: 1.58;
}

.privacy-panel h2 {
  margin: 1.4rem 0 0.45rem;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.privacy-panel h2:first-child {
  margin-top: 0;
}

.privacy-panel p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.privacy-panel ul {
  margin: 0.35rem 0 0.85rem;
  padding-left: 1.25rem;
  color: var(--muted);
}

.privacy-panel li {
  margin-bottom: 0.45rem;
}

[hidden] {
  display: none !important;
}

@media (max-width: 720px) {
  .wrap {
    width: min(100% - 20px, 980px);
    padding-top: 24px;
  }

  .title-row,
  .panel-head {
    align-items: flex-start;
  }

  .title-row {
    flex-direction: column;
    gap: 10px;
  }

  .settings-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .pill {
    white-space: normal;
  }

  .disclaimer {
    white-space: normal;
  }

  textarea {
    min-height: 260px;
  }
}