/* Cone: Cartoon Chunky, dark.
   Flat fills, thick outlines, hard unblurred shadows, one accent with one job.
   On a dark ground the outline rule inverts: light-filled surfaces get an ink
   outline, dark-filled surfaces get a light one. Everything stays bounded. */

@font-face {
  font-family: "Cone Display";
  src: url("/fonts/LuckiestGuy-Regular.ttf?v=150") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Cone Sans";
  src: url("/fonts/FredokaOne-Regular.ttf?v=150") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Cone Fallback";
  src: url("/fonts/inter-var.woff2?v=150") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

/* ============================================================== tokens === */
:root {
  color-scheme: dark;

  /* surfaces: warm dark, not neutral grey */
  --page: #17120d;
  --panel: #221b14;
  --surface: #2b2219;
  --surface-hover: #362b20;
  --surface-sunken: #1a1510;

  /* outlines */
  --ink: #100c08;          /* on light fills */
  --edge: #4b3c2c;         /* on dark fills */
  --edge-strong: #6b5540;

  /* text */
  --text: #fdf6ea;
  --muted: #b7a894;
  --faint: #857663;

  /* the accent: primary action, live state, focus. Nothing else. */
  --orange: #ff7900;
  --orange-hover: #ff9526;
  --orange-press: #d96500;
  --orange-ink: #2a1400;
  --orange-glow: rgb(255 121 0 / 26%);

  --paper: #fdf3e2;        /* light slabs: confirmations, badges */
  --paper-shade: #efe2cb;

  --danger: #ff6f5e;
  --success: #6fd88b;

  /* spacing */
  --space-3xs: 4px;
  --space-2xs: 8px;
  --space-xs: 12px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;

  /* radius: generous, part of the voice */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;

  /* chunk */
  --border: 3px;
  --border-thick: 4px;
  --depth: 6px;            /* hard shadow offset, never blurred */

  /* controls */
  --control: 48px;
  --control-lg: 60px;
  --control-sm: 34px;

  /* type */
  --text-caption: 12px;
  --text-body: 14px;
  --text-label: 15px;
  --text-subtitle: 16px;
  --text-title: 20px;
  --text-display: clamp(46px, 6vw, 68px);

  --mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.34, 1.56, 0.64, 1);   /* overshoot */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);

  font-family: "Cone Sans", "Cone Fallback", ui-sans-serif, system-ui, sans-serif;
  font-synthesis: none;
}

/* ================================================================ base === */
* { box-sizing: border-box; }

html,
body {
  min-width: 320px;
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(60rem 34rem at 50% -6%, var(--orange-glow), transparent 72%),
    var(--page);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body.modal-open { overflow: hidden; }

button,
input { font: inherit; }

a { color: inherit; }

:where(button, input, summary, a):focus-visible {
  outline: var(--border) solid var(--orange);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ============================================================== layout === */
.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100svh;
  padding: var(--space-md);
}

.workspace {
  display: grid;
  width: min(1080px, 100%);
  grid-template-columns: minmax(240px, 0.8fr) minmax(420px, 1.2fr);
  grid-template-rows: 1fr auto;
  align-items: center;
  gap: var(--space-md) var(--space-xl);
  margin: auto;
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  border: var(--border-thick) solid var(--edge);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: 0 var(--depth) 0 #0d0906, 0 26px 60px rgb(0 0 0 / 55%);
  animation: workspace-in 420ms var(--ease) both;
}

/* ================================================================ cone === */
.cone-side {
  display: grid;
  place-items: center;
}

.cone-art {
  position: relative;
  display: grid;
  place-items: center;
  width: min(300px, 100%);
  padding-bottom: var(--space-md);
  animation: cone-in 620ms var(--ease) both;
}

.cone-art::before {
  content: "";
  position: absolute;
  inset: 4% 2% 16%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, var(--orange-glow), transparent 66%);
  z-index: 0;
}

/* A chunky ground slab with hazard stripes so the cone gets something to stand
   on, and the stripes are the one piece of drawn scenery this tool needs. */
.cone-art::after {
  content: "";
  position: absolute;
  right: 6%;
  bottom: 0;
  left: 6%;
  height: 18px;
  border: var(--border) solid var(--ink);
  border-radius: var(--radius-sm);
  background: repeating-linear-gradient(
    -45deg,
    var(--orange) 0 10px,
    #2b2219 10px 20px
  );
  box-shadow: 0 var(--depth) 0 #0d0906;
  z-index: 0;
}

.cone-art img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 0 rgb(13 9 6 / 55%));
}

.cone-art.is-changing img { animation: cone-state-in 360ms var(--ease) both; }

.cone-art[data-state="accepted"]::before {
  background: radial-gradient(circle at 50% 45%, rgb(111 216 139 / 24%), transparent 66%);
}

.cone-art[data-state="error"]::before {
  background: radial-gradient(circle at 50% 45%, rgb(255 111 94 / 24%), transparent 66%);
}

/* =========================================================== converter === */
.converter {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: 0;
}

/* Wordmark: flat orange, hard ink shadow, no outline. The letterforms are
   already chunky enough to carry it; a stroke only muddied the counters.
   Caps because Luckiest Guy's lowercase sits at almost cap height. */
.converter-intro p {
  margin: 0;
  font-family: "Cone Display", "Cone Sans", sans-serif;
  font-size: var(--text-display);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--orange);
  text-shadow: 0 5px 0 var(--ink);
}

.converter-intro h1 {
  margin: var(--space-xs) 0 0;
  font-size: var(--text-subtitle);
  font-weight: 400;
  line-height: 1.4;
  color: var(--muted);
}

.converter-intro h1 span { color: var(--faint); }

#convert-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: 0;
}

/* ========================================================= setup guide ===
   Prerequisite reference, not the task: quiet, collapsed, out of the way. */
.setup-guide {
  border-top: var(--border) solid var(--surface);
  border-bottom: var(--border) solid var(--surface);
  padding: var(--space-xs) 0;
  font-size: var(--text-body);
  color: var(--muted);
}

.setup-guide summary {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  cursor: pointer;
  list-style: none;
  color: var(--muted);
  transition: color 140ms ease;
}

.setup-guide summary::marker,
.setup-guide summary::-webkit-details-marker { display: none; }

.setup-guide summary::before {
  content: "";
  width: 7px;
  height: 7px;
  border-right: var(--border) solid currentColor;
  border-bottom: var(--border) solid currentColor;
  transform: rotate(-45deg);
  transition: transform 160ms var(--ease-out);
}

.setup-guide[open] summary::before { transform: rotate(45deg); }
.setup-guide summary:hover,
.setup-guide:hover summary { color: var(--text); }

.setup-guide ol {
  margin: var(--space-xs) 0 0;
  padding-left: var(--space-md);
  display: grid;
  gap: var(--space-2xs);
  line-height: 1.55;
}

.setup-guide li + li { margin: 0; }
.setup-guide strong { color: var(--text); }

.setup-guide a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

.setup-guide a:hover { color: var(--orange); }

.setup-guide p {
  margin: var(--space-2xs) 0 0;
  font-size: var(--text-caption);
  color: var(--faint);
}

/* =============================================================== steps === */
.step {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.step-head {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  margin: 0;
  font-size: var(--text-caption);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.step-num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: var(--border) solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 3px 0 var(--ink);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0;
}

/* ============================================================== fields === */
.credential-fields {
  display: grid;
  grid-template-columns: minmax(130px, 0.8fr) minmax(200px, 1.2fr);
  gap: var(--space-xs);
}

.credential-fields label {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  min-width: 0;
  font-size: var(--text-caption);
  color: var(--muted);
}

.credential-fields input {
  height: var(--control);
  width: 100%;
  padding: 0 var(--space-sm);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  color: var(--text);
  font-size: var(--text-label);
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.credential-fields input::placeholder { color: var(--faint); }
.credential-fields input:hover { border-color: var(--edge-strong); }

.credential-fields input:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgb(255 121 0 / 22%);
}

.credential-fields input:read-only {
  color: var(--muted);
  background: var(--surface-sunken);
}

.secret-field {
  position: relative;
  display: block;
}

.secret-field input { padding-right: 76px; }

.secret-toggle {
  position: absolute;
  top: 50%;
  right: var(--space-2xs);
  translate: 0 -50%;
  height: var(--control-sm);
  padding: 0 var(--space-xs);
  border: 2px solid var(--edge);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted);
  font-size: var(--text-caption);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.secret-toggle:hover {
  color: var(--text);
  background: var(--surface-hover);
  border-color: var(--edge-strong);
}

.secret-toggle:disabled {
  color: var(--faint);
  cursor: not-allowed;
  background: transparent;
}

/* ------------------------------------------------------------- options --- */
.credential-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xs) var(--space-sm);
}

.remember-option {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-caption);
  color: var(--muted);
  cursor: pointer;
}

.remember-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--orange);
  cursor: pointer;
}

.remember-option:hover { color: var(--text); }

.credential-note {
  font-size: var(--text-caption);
  color: var(--faint);
}

/* ============================================================ dropzone === */
.drop-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xs);
  min-height: 168px;
  padding: var(--space-md);
  border: var(--border-thick) dashed var(--edge-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease,
    transform 160ms var(--ease), box-shadow 160ms ease;
}

.drop-zone > * { position: relative; }

.drop-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-zone:hover {
  border-color: var(--muted);
  background: var(--surface);
  transform: translateY(-2px);
}

.drop-zone:focus-within,
.drop-zone:has(input:focus-visible) {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgb(255 121 0 / 22%);
}

.drop-zone.is-dragging {
  border-style: solid;
  border-color: var(--orange);
  background: rgb(255 121 0 / 10%);
  transform: translateY(-2px) scale(1.008);
  box-shadow: 0 var(--depth) 0 rgb(217 101 0 / 45%);
}

.drop-title {
  font-size: 22px;
  color: var(--text);
}

.drop-copy {
  font-size: var(--text-body);
  color: var(--muted);
}

.drop-kicker {
  margin-top: var(--space-2xs);
  padding: var(--space-3xs) var(--space-2xs);
  border: 2px solid var(--edge);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------------------------- selected file ---
   A light slab: the pack is in, and the screen should say so. */
.selected-file {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  border: var(--border) solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 var(--depth) 0 var(--ink);
  animation: item-in 220ms var(--ease) both;
}

.selected-file[hidden] { display: none; }

.file-badge {
  display: grid;
  place-items: center;
  min-width: 48px;
  height: 30px;
  border: 2px solid var(--ink);
  border-radius: var(--radius-sm);
  background: var(--orange);
  color: var(--orange-ink);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.file-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.file-info strong {
  overflow: hidden;
  font-size: var(--text-body);
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-info small {
  font-size: var(--text-caption);
  color: #6d5c48;
}

.text-button {
  padding: var(--space-3xs) var(--space-2xs);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: #7a6753;
  font-size: var(--text-caption);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.text-button:hover {
  color: #b8362a;
  background: rgb(184 54 42 / 10%);
  border-color: rgb(184 54 42 / 35%);
}

/* ============================================================= buttons ===
   The signature: hard shadow, and pressing sinks the face into it. */
.primary-button {
  height: var(--control-lg);
  border: var(--border-thick) solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--orange);
  color: var(--orange-ink);
  font-size: 20px;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 var(--depth) 0 var(--ink);
  transition: background-color 140ms ease, transform 120ms var(--ease),
    box-shadow 120ms ease;
}

.primary-button:not(:disabled):hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 calc(var(--depth) + 2px) 0 var(--ink);
}

.primary-button:not(:disabled):active {
  background: var(--orange-press);
  transform: translateY(var(--depth));
  box-shadow: 0 0 0 var(--ink);
}

.primary-button:disabled {
  border-color: var(--edge);
  background: var(--surface);
  color: var(--faint);
  box-shadow: 0 var(--depth) 0 #16110c;
  cursor: not-allowed;
}

.port-row {
  display: flex;
  gap: var(--space-sm);
}

.port-row .primary-button { flex: 1; }

.settings-button {
  display: grid;
  place-items: center;
  flex: none;
  width: var(--control-lg);
  height: var(--control-lg);
  border: var(--border-thick) solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 var(--depth) 0 var(--ink);
  transition: background-color 140ms ease, transform 120ms var(--ease), box-shadow 120ms ease;
}

.settings-icon {
  width: 26px;
  height: 26px;
  color: var(--muted);
  transition: color 140ms ease;
}

.settings-button:hover .settings-icon { color: var(--orange); }

@keyframes settings-icon-spin {
  0% { transform: rotate(0deg); }
  55% { transform: rotate(340deg); }
  100% { transform: rotate(0deg); }
}

.settings-icon.is-spinning {
  animation: settings-icon-spin 275ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.settings-button:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
  box-shadow: 0 calc(var(--depth) + 2px) 0 var(--ink);
}

.settings-button:active {
  transform: translateY(var(--depth));
  box-shadow: 0 0 0 var(--ink);
}

.secondary-button,
.copy-button {
  height: var(--control);
  padding: 0 var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-label);
  cursor: pointer;
  transition: background-color 140ms ease, transform 120ms var(--ease),
    box-shadow 120ms ease;
}

.secondary-button {
  border: var(--border) solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 var(--depth) 0 var(--ink);
}

.secondary-button:hover { background: var(--paper-shade); }

.secondary-button:active {
  transform: translateY(var(--depth));
  box-shadow: 0 0 0 var(--ink);
}

.copy-button {
  border: var(--border) solid var(--ink);
  background: var(--orange);
  color: var(--orange-ink);
  box-shadow: 0 var(--depth) 0 var(--ink);
}

.copy-button:hover { background: var(--orange-hover); }

.copy-button:active {
  transform: translateY(var(--depth));
  box-shadow: 0 0 0 var(--ink);
}

/* ============================================================ progress === */
.progress-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-md);
  border-top: var(--border) solid var(--surface);
  animation: panel-in 260ms var(--ease-out) both;
}

.progress-panel[hidden] { display: none; }

.status-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}

.status-label {
  margin: 0;
  font-size: var(--text-label);
}

.status-detail {
  margin: var(--space-3xs) 0 0;
  font-size: var(--text-caption);
  color: var(--muted);
}

.status-percent {
  font-family: "Cone Display", "Cone Sans", sans-serif;
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--orange);
  text-shadow: 0 3px 0 var(--ink);
}

.progress-track {
  height: 18px;
  overflow: hidden;
  border: var(--border) solid var(--ink);
  border-radius: 999px;
  background: var(--surface-sunken);
  box-shadow: 0 3px 0 rgb(13 9 6 / 60%);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--orange);
  transition: width 260ms var(--ease-out);
}

.activity-log {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  max-height: 132px;
  overflow-y: auto;
  padding: var(--space-2xs) var(--space-xs);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  font-family: var(--mono);
  font-size: var(--text-caption);
  line-height: 1.5;
  scrollbar-width: thin;
  scrollbar-color: var(--edge-strong) transparent;
}

.activity-log p {
  display: flex;
  gap: var(--space-2xs);
  margin: 0;
  color: var(--muted);
  animation: item-in 180ms var(--ease-out) both;
}

.activity-log p::before {
  content: "›";
  color: var(--faint);
}

.activity-log p.is-error { color: var(--danger); }
.activity-log p.is-error::before { content: "!"; color: var(--danger); }

.status-error {
  margin: 0;
  padding: var(--space-2xs) var(--space-xs);
  border: var(--border) solid var(--danger);
  border-radius: var(--radius-md);
  background: rgb(255 111 94 / 12%);
  color: var(--danger);
  font-size: var(--text-body);
}

.status-error[hidden] { display: none; }

/* =============================================================== modal === */
.result-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.result-modal[hidden] { display: none; }

.result-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgb(10 7 5 / 68%);
  cursor: pointer;
}

/* Light slab for the celebratory moment. */
.result-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: min(430px, 100%);
  padding: var(--space-lg);
  border: var(--border-thick) solid var(--ink);
  border-radius: var(--radius-xl);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 10px 0 var(--ink), 0 40px 70px rgb(0 0 0 / 55%);
  animation: result-modal-in 260ms var(--ease) both;
}

.result-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: var(--border) solid var(--ink);
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 4px 0 var(--ink);
  color: var(--ink);
  font-size: 26px;
}

.result-kicker {
  margin: 0;
  font-size: var(--text-caption);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7a6753;
}

.result-card h2 {
  margin: var(--space-3xs) 0 0;
  font-family: "Cone Display", "Cone Sans", sans-serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.result-copy {
  margin: var(--space-2xs) 0 0;
  font-size: var(--text-body);
  color: #6d5c48;
}

.result-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-xs);
}

.copy-fallback {
  width: 100%;
  min-height: 120px;
  padding: var(--space-2xs);
  border: var(--border) solid var(--ink);
  border-radius: var(--radius-md);
  background: #fffaf0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: var(--text-caption);
  resize: vertical;
}

/* =========================================================== sky modal === */
.sky-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.sky-modal[hidden] { display: none; }

.sky-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgb(10 7 5 / 68%);
  cursor: pointer;
}

.sky-modal-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: min(720px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-lg);
  border: var(--border-thick) solid var(--edge);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: 0 10px 0 #0d0906, 0 40px 70px rgb(0 0 0 / 55%);
  animation: result-modal-in 260ms var(--ease) both;
}

.sky-modal-card h2 {
  margin: 0;
  color: var(--orange);
  font-size: var(--text-title);
  font-weight: 400;
}

.sky-modal-subtitle {
  margin: calc(var(--space-sm) * -1) 0 0;
  color: var(--muted);
  font-size: var(--text-body);
}

.sky-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
}

.sky-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-2xs);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color 140ms ease, transform 120ms var(--ease);
}

.sky-option.is-primary {
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.sky-option-image-wrap {
  position: relative;
}

.sky-option-image {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  cursor: pointer;
}

.sky-option-badge {
  position: absolute;
  top: var(--space-2xs);
  right: var(--space-2xs);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--orange-ink);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sky-option-label {
  padding: 0 var(--space-3xs);
  color: var(--text);
  font-size: var(--text-body);
}

.sky-option-extra {
  border: var(--border) solid var(--edge);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-caption);
  font-weight: 600;
  padding: var(--space-3xs) var(--space-xs);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.sky-option-extra:hover { border-color: var(--orange); color: var(--text); }

.sky-option-extra.is-selected {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--orange-ink);
}

.sky-modal-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}

.sky-modal-actions-right {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

@media (max-width: 560px) {
  .sky-modal-actions { flex-direction: column-reverse; align-items: stretch; }
  .sky-modal-actions-right { flex-direction: column-reverse; }
  .sky-modal-actions-right button, .sky-all-extras { width: 100%; }
}

/* ===================================================== settings modal === */
.settings-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.settings-modal[hidden] { display: none; }

.settings-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgb(10 7 5 / 68%);
  cursor: pointer;
}

.settings-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: min(480px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-lg);
  border: var(--border-thick) solid var(--edge);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: 0 10px 0 #0d0906, 0 40px 70px rgb(0 0 0 / 55%);
  animation: result-modal-in 260ms var(--ease) both;
}

.settings-header { display: flex; flex-direction: column; gap: 2px; }

.settings-kicker {
  margin: 0;
  color: var(--orange);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.settings-card h2 {
  margin: 0;
  color: var(--text);
  font-size: var(--text-title);
  font-weight: 400;
}

.settings-actions { display: flex; justify-content: flex-end; }
.settings-actions .primary-button { height: var(--control); padding: 0 var(--space-lg); }

/* ======================================================= preview modal === */
.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.preview-modal[hidden] { display: none; }

.preview-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgb(10 7 5 / 68%);
  cursor: pointer;
}

.preview-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(420px, 100%);
  border: var(--border-thick) solid var(--edge);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 10px 0 #0d0906, 0 40px 70px rgb(0 0 0 / 55%);
  animation: result-modal-in 260ms var(--ease) both;
}

.preview-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 1;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: var(--border) solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: var(--text-body);
  cursor: pointer;
  box-shadow: 0 4px 0 var(--ink);
  transition: background-color 140ms ease, transform 120ms var(--ease);
}

.preview-close:hover { background: var(--paper-shade); }

.preview-close:active { transform: translateY(2px); }

.preview-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--surface-sunken);
  border-bottom: var(--border) solid var(--edge);
}

.preview-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.preview-kicker {
  margin: 0;
  color: var(--orange);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-details h2 {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-size: var(--text-title);
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-meta {
  margin: 0;
  color: var(--faint);
  font-size: var(--text-caption);
}

/* ================================================================ foot === */
.open-source-note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: var(--space-sm);
  border-top: var(--border) solid var(--surface);
  text-align: center;
  font-size: var(--text-caption);
  color: var(--faint);
}

.github-link {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--edge-strong);
  text-underline-offset: 3px;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

.github-link:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ============================================================== sparks === */
.click-spark {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  translate: -50% -50%;
}

.click-spark-ray {
  position: absolute;
  width: 3px;
  height: 9px;
  border-radius: 2px;
  background: var(--orange);
  rotate: var(--spark-angle);
  transform-origin: 50% 0;
  animation: click-spark 440ms cubic-bezier(0.15, 0.7, 0.3, 1) both;
}

/* ========================================================== animations === */
@keyframes workspace-in {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@keyframes cone-in {
  from { opacity: 0; transform: translateY(16px) scale(0.94); }
  to { opacity: 1; transform: none; }
}

@keyframes cone-state-in {
  from { opacity: 0.4; transform: scale(0.9); }
  to { opacity: 1; transform: none; }
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes item-in {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

@keyframes result-modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.94); }
  to { opacity: 1; transform: none; }
}

@keyframes click-spark {
  from { opacity: 1; translate: 0 6px; }
  to { opacity: 0; translate: 0 20px; }
}

/* ================================================================= nav === */
.top-nav {
  display: flex;
  justify-content: center;
  width: min(1080px, 100%);
  margin: 0 auto var(--space-sm);
}

.nav-links {
  display: flex;
  gap: var(--space-2xs);
  padding: var(--space-3xs);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 var(--depth) 0 #0d0906;
}

.nav-button {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  height: var(--control-sm);
  padding: 0 var(--space-sm);
  border: var(--border) solid transparent;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: var(--text-label);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.nav-button:hover { background: var(--surface-hover); color: var(--text); }

.nav-icon { font-size: 16px; line-height: 1; }

.nav-button[aria-current="page"] {
  border-color: var(--orange);
  background: var(--surface);
  color: var(--orange);
}

.nav-button:focus,
.nav-button:focus-visible {
  outline: none !important;
}

/* =========================================================== page-view === */
.page-view {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.page-view[hidden] { display: none; }

.workspace-single {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: min(1080px, 100%);
  margin: auto;
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  border: var(--border-thick) solid var(--edge);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: 0 var(--depth) 0 #0d0906, 0 26px 60px rgb(0 0 0 / 55%);
  animation: workspace-in 420ms var(--ease) both;
}

.page-head { display: flex; flex-direction: column; gap: var(--space-3xs); }

.page-kicker {
  margin: 0;
  color: var(--orange);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-head h1 {
  margin: 0;
  font-size: var(--text-title);
  color: var(--text);
}

.page-copy { margin: 0; color: var(--muted); font-size: var(--text-body); }

/* ========================================================= chip button === */
.chip {
  height: var(--control-sm);
  padding: 0 var(--space-sm);
  border: var(--border) solid var(--ink);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--text-caption);
  cursor: pointer;
  box-shadow: 0 4px 0 var(--ink);
  transition: background-color 140ms ease, transform 120ms var(--ease), box-shadow 120ms ease;
}

.chip:hover { background: var(--paper-shade); }

.chip:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--ink);
}

.chip.is-copied { background: var(--success); }

/* ======================================================= history / lib === */
.history-search {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.history-search input[type="search"] {
  flex: 1;
  height: var(--control);
  padding: 0 var(--space-md);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  color: var(--text);
  font-size: var(--text-body);
}

.history-search input[type="search"]:focus-visible { border-color: var(--orange); }

.library-sort {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--muted);
  font-size: var(--text-caption);
  white-space: nowrap;
}

.library-sort select {
  height: var(--control);
  padding: 0 var(--space-xs);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  color: var(--text);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  max-height: 60vh;
  overflow-y: auto;
}

.history-state {
  margin: var(--space-md) 0;
  color: var(--faint);
  font-size: var(--text-body);
  text-align: center;
}

.history-state[hidden] { display: none; }

.history-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-2xs);
  border: var(--border) solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--surface);
  animation: item-in 220ms var(--ease-out) both;
}

.history-preview {
  flex: none;
  width: 72px;
  height: 72px;
  padding: 0;
  border: var(--border) solid var(--ink);
  border-radius: var(--radius-sm);
  background-color: var(--surface-sunken);
  cursor: pointer;
  transition: transform 120ms var(--ease), border-color 140ms ease;
}

.history-preview:hover,
.history-preview:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.history-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.history-info strong {
  overflow: hidden;
  color: var(--text);
  font-size: var(--text-label);
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-info span {
  color: var(--faint);
  font-size: var(--text-caption);
}

.history-actions {
  display: flex;
  flex: none;
  gap: var(--space-2xs);
}

/* ========================================================== responsive === */
@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    padding: var(--space-lg) var(--space-md) var(--space-md);
  }

  .cone-art { width: min(200px, 54%); }

  .workspace-single { padding: var(--space-lg) var(--space-md) var(--space-md); }
}

@media (max-width: 560px) {
  .page { padding: var(--space-2xs); }

  .workspace {
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-sm) var(--space-sm);
  }

  .cone-art { width: min(150px, 46%); }


  .credential-fields { grid-template-columns: 1fr; }
  .credential-options { flex-direction: column; align-items: flex-start; }
  .drop-zone { min-height: 140px; }

  .result-actions { flex-direction: column-reverse; }
  .result-actions button { width: 100%; }

  .history-search { flex-direction: column; align-items: stretch; }
  .history-row { flex-wrap: wrap; }
  .history-actions { width: 100%; }
  .history-actions .chip { flex: 1; }
}

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