@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&display=swap');

:root {
  --bg:    #f7f4ec;
  --paper: #fffdf7;
  --ink:   #272621;
  --muted: #777268;
  --line:  #d8d1c4;
  --soft:  #ebe5d9;
  --brown: #766451;
  --ok:    #3a7d44;
  --err:   #c0392b;
  --warn:  #8a6800;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Newsreader", Georgia, serif;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

/* ── Top bar ── */
.top {
  height: 56px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}
.wordmark {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: .13em;
}
.top-nav {
  display: flex;
  gap: 24px;
}
.top-nav a {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.top-nav a:hover,
.top-nav a.active { color: var(--ink); border-color: var(--ink); }
.top-right {
  display: flex;
  gap: 16px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
}

/* ── Frame ── */
.frame { width: min(1060px, calc(100% - 48px)); margin: 0 auto; }

/* ── Section shared ── */
.section-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}
.section-title { font-size: 27px; font-weight: 400; letter-spacing: -.035em; }
.section-number { font-family: "DM Mono", monospace; font-size: 11px; color: var(--muted); }
.tiny-label {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--brown);
  letter-spacing: .13em;
  text-transform: uppercase;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--line);
  padding: 22px max(24px, calc((100% - 980px) / 2));
  display: flex;
  justify-content: space-between;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted);
}
.fork { max-width: 300px; text-align: right; }

/* ── Tool pages (Manager / Fonts) ── */
.tool-wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 52px 0 80px;
}
.tool-heading {
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -.055em;
  margin: 0 0 6px;
}
.tool-sub {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
}
.no-serial-msg {
  margin-top: 32px;
  padding: 18px 22px;
  background: var(--soft);
  border-left: 3px solid var(--brown);
  font-family: "DM Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Toolbar ── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 10px 16px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
}
.btn-primary:hover:not(:disabled) { background: #444; }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }
.btn-secondary {
  background: none;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 9px 14px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
}
.btn-secondary:hover:not(:disabled) { border-color: var(--ink); }
.btn-secondary:disabled { opacity: .4; cursor: not-allowed; }
.btn-danger { color: var(--err); border-color: var(--err); }
.btn-danger:hover:not(:disabled) { background: #fff0ef; }
.btn-danger-solid { background: var(--err); color: #fff; border: none; padding: 10px 16px; font-family: "DM Mono", monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; }
.split-button { position: relative; display: flex; }
.split-button .btn-primary { padding-right: 10px; }
.btn-dropdown {
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-left: 1px solid rgba(255,255,255,.18);
  padding: 0 10px;
  font-size: 10px;
}
.btn-dropdown:hover { background: #444; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 10px 14px;
  z-index: 50;
  white-space: nowrap;
  font-family: "DM Mono", monospace;
  font-size: 11px;
}
.dropdown-menu.open { display: block; }
.dropdown-menu label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.badge {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  padding: 4px 9px;
  background: var(--soft);
  color: var(--muted);
}
.badge.connected { background: #e6f4e8; color: var(--ok); }

/* ── Status bar ── */
.status-bar {
  margin-top: 14px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  min-height: 16px;
}
.status-bar.status-ok   { color: var(--ok); }
.status-bar.status-err  { color: var(--err); }
.status-bar.status-warn { color: var(--warn); }

/* ── Breadcrumb ── */
.path-bar {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
}
.breadcrumb { display: flex; align-items: center; gap: 4px; }
.crumb {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .07em;
}
.crumb:hover { color: var(--ink); }
.crumb.current { color: var(--ink); cursor: default; }
.crumb-sep { font-family: "DM Mono", monospace; font-size: 11px; color: var(--line); }

/* ── Progress bar ── */
.progress-wrap {
  display: none;
  margin-top: 12px;
  border: 1px solid var(--line);
  height: 3px;
  background: var(--soft);
  position: relative;
}
.progress-wrap.visible { display: block; }
.progress-fill { height: 100%; background: var(--ink); width: 0; transition: width .1s; }
.progress-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  margin-top: 4px;
}

/* ── File browser ── */
.file-browser {
  margin-top: 0;
  border: 1px solid var(--line);
  overflow-x: auto;
  transition: background .15s;
}
.file-browser.drag-over { background: var(--soft); }
.file-table {
  width: 100%;
  border-collapse: collapse;
  font-family: "DM Mono", monospace;
  font-size: 11px;
}
.file-table thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.file-table thead th.sort-active { color: var(--ink); }
.sort-icon { margin-left: 4px; font-size: 6px; }
.file-table tbody tr { border-bottom: 1px solid var(--line); }
.file-table tbody tr:last-child { border-bottom: none; }
.file-table tbody tr:hover { background: rgba(235,229,217,.4); }
.file-table td { padding: 10px 14px; vertical-align: middle; }
.col-name { width: 60%; }
.col-size, .col-date { white-space: nowrap; color: var(--muted); }
.col-actions { text-align: right; white-space: nowrap; }
.entry-name { display: flex; align-items: center; gap: 8px; }
.entry-icon { font-size: 12px; flex-shrink: 0; }
.entry-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 380px; }
.entry-label.is-dir { cursor: pointer; color: var(--ink); }
.entry-label.is-dir:hover { border-bottom: 1px solid var(--ink); }
.placeholder-row td {
  text-align: center;
  padding: 40px;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 11px;
}
.btn-sm {
  background: none;
  border: 1px solid var(--line);
  padding: 4px 9px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-left: 4px;
}
.btn-sm:hover:not(:disabled) { border-color: var(--muted); color: var(--ink); }
.btn-sm.btn-danger:hover:not(:disabled) { color: var(--err); border-color: var(--err); background: #fff0ef; }
.btn-sm:disabled { opacity: .35; cursor: not-allowed; }

/* ── Log box ── */
.log-section { margin-top: 24px; }
.log-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
  margin-bottom: 6px;
}
.log-box {
  background: var(--ink);
  color: #b8b3a8;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  line-height: 1.7;
  padding: 14px 16px;
  margin: 0;
  height: 140px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Modal ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(39,38,33,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-box {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 28px 32px;
  min-width: 320px;
  max-width: 480px;
  width: 90%;
}
.modal-title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}
.modal-body {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.modal-body a { color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 1px; }
.modal-body a:hover { color: var(--brown); border-color: var(--brown); }
.modal-body code {
  background: var(--soft);
  padding: 1px 5px;
  font-family: "DM Mono", monospace;
}
.modal-input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 9px 12px;
  font-family: "DM Mono", monospace;
  font-size: 12px;
  background: var(--bg);
  color: var(--ink);
  margin-bottom: 16px;
  outline: none;
}
.modal-input:focus { border-color: var(--ink); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ── Font converter ── */
.fonts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 32px;
}
.fonts-panel {
  border: 1px solid var(--line);
  padding: 22px 24px;
}
.panel-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  margin-bottom: 14px;
}
.font-file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.font-style-label {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  width: 80px;
  flex-shrink: 0;
}
.font-file-btn {
  flex: 1;
  background: none;
  border: 1px dashed var(--line);
  padding: 8px 12px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-align: left;
  transition: border-color .15s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.font-file-btn:hover { border-color: var(--ink); color: var(--ink); }
.font-file-btn.has-file { border-style: solid; border-color: var(--ink); color: var(--ink); }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip {
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 4px 8px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.chip-remove {
  background: none;
  border: none;
  padding: 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1;
  cursor: pointer;
}
.chip-remove:hover { color: var(--err); }
.size-add-row { display: flex; gap: 8px; }
.field-input {
  flex: 1;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  padding: 8px 10px;
  font-family: "DM Mono", monospace;
  font-size: 12px;
  outline: none;
}
.field-input:focus { border-color: var(--ink); }
.preset-row { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.preset-btn {
  background: none;
  border: 1px solid var(--line);
  padding: 5px 11px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
}
.preset-btn:hover { border-color: var(--ink); color: var(--ink); }
.preset-btn.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.range-group { margin-bottom: 16px; }
.range-group-title {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  margin-bottom: 8px;
}
.range-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.range-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  cursor: pointer;
  padding: 4px 8px;
  border: 1px solid var(--line);
}
.range-item:hover { border-color: var(--muted); }
.range-meta {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  margin-top: 10px;
}
.fonts-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.cb-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
}
.font-name-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}
.font-name-label {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  width: 80px;
  flex-shrink: 0;
}
.preview-wrap {
  margin-top: 32px;
  border-top: 1px solid var(--ink);
  padding-top: 22px;
}
.preview-label-row {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  margin-bottom: 14px;
}
#device-preview-empty {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  padding: 30px 0;
}
#device-preview-grid { display: flex; flex-direction: column; gap: 20px; }
.preview-size-group {}
.preview-size-title {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
  margin-bottom: 8px;
}
.preview-style-strip { display: flex; gap: 16px; flex-wrap: wrap; }
.preview-swatch {}
.preview-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 4px;
}
.preview-viewport {
  border: 1px solid var(--line);
  background: #f0ede6;
  display: inline-block;
  overflow: auto;
  max-width: 100%;
}
.manual-range-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.manual-range-field { display: flex; align-items: center; gap: 4px; }
.manual-range-prefix { font-family: "DM Mono", monospace; font-size: 11px; color: var(--muted); }
.manual-range-input { width: 80px; }
.manual-range-preview { font-family: "DM Mono", monospace; font-size: 11px; color: var(--muted); flex: 1; min-width: 120px; }
.manual-range-preview.invalid { color: var(--err); }
.manual-range-remove { background: none; border: none; font-family: "DM Mono", monospace; font-size: 10px; color: var(--muted); text-decoration: underline; cursor: pointer; }
.manual-range-remove:hover { color: var(--err); }
.manual-ranges-status { font-family: "DM Mono", monospace; font-size: 11px; color: var(--muted); margin-top: 6px; }
.manual-ranges-status.range-error { color: var(--err); }
.section-divider { border: none; border-top: 1px solid var(--line); margin: 20px 0; }
.preview-text-wrap { margin-top: 16px; }
.preview-text-label { font-family: "DM Mono", monospace; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .09em; margin-bottom: 6px; }
.preview-text {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  padding: 10px 12px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  height: 90px;
}
.preview-text:focus { border-color: var(--ink); }

/* ── Mobile ── */
@media (max-width: 750px) {
  .top { padding: 0 16px; }
  .top-nav { gap: 14px; }
  .frame { width: calc(100% - 28px); }
  .fonts-grid { grid-template-columns: 1fr; }
  .tool-wrap { padding: 36px 0 60px; }
  .fork { text-align: left; margin-top: 14px; }
  footer { display: block; padding: 18px 14px; }
}