/* ============================================================
   字压 FontSqueeze — 深色、数据优先的字体工具界面
   ============================================================ */

:root {
  --bg: #0a0c11;
  --bg-elevated: #11151d;
  --bg-input: #0d1017;
  --line: #1f2632;
  --line-strong: #2b3545;
  --text: #e9eef6;
  --text-dim: #9aa6b8;
  --text-faint: #667085;
  --accent: #7c9cff;
  --accent-dim: rgba(124, 156, 255, 0.12);
  --good: #3ddc97;
  --warn: #f2b544;
  --danger: #ff6b6b;
  --radius: 14px;
  --radius-sm: 9px;
  --mono: 'SF Mono', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

* {
  box-sizing: border-box;
}

/* hidden 属性必须优先于组件自身的 display */
[hidden] {
  display: none !important;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(124, 156, 255, 0.09), transparent 60%),
    radial-gradient(700px 400px at 95% 0%, rgba(61, 220, 151, 0.05), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--accent);
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 17, 0.72);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.masthead__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

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

.brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--accent), #4f6ef0);
  color: #05070b;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  box-shadow: 0 6px 20px rgba(124, 156, 255, 0.25);
}

.brand h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.brand__alt {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--text-faint);
  letter-spacing: 0.4px;
  margin-left: 6px;
}

.brand__tagline {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
}

.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  white-space: nowrap;
}

.badge--live {
  border-color: rgba(61, 220, 151, 0.35);
  background: rgba(61, 220, 151, 0.08);
  color: var(--good);
}

.badge--live::before {
  content: '●';
  margin-right: 5px;
  font-size: 8px;
  vertical-align: 1px;
}

/* ---------- layout ---------- */

.layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 30px 28px 60px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  align-items: start;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.column--result {
  position: sticky;
  top: 96px;
}

/* ---------- panel ---------- */

.panel {
  background: linear-gradient(180deg, var(--bg-elevated), #0e121a);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset;
}

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

.panel__index {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 5px;
  padding: 2px 7px;
  letter-spacing: 0.5px;
}

.panel__head h2 {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.1px;
}

/* ---------- dropzone ---------- */

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 30px 18px;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.16s, background 0.16s;
}

.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.dropzone__icon {
  font-size: 22px;
  color: var(--accent);
  line-height: 1;
}

.dropzone__title {
  font-size: 13.5px;
  font-weight: 600;
}

.dropzone__hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
}

/* ---------- file card ---------- */

.file-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}

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

.file-card__main strong {
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-card__main .muted {
  font-family: var(--mono);
  font-size: 11.5px;
}

/* ---------- preview ---------- */

.preview {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}

.preview__label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-faint);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.preview__text {
  margin: 8px 0 0;
  font-size: 30px;
  line-height: 1.35;
  letter-spacing: 0.5px;
  word-break: break-all;
  color: #fff;
  max-height: 92px;
  overflow: hidden;
}

/* ---------- tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--line);
  margin-bottom: 12px;
}

.tab {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

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

.tab.is-active {
  background: var(--accent-dim);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(124, 156, 255, 0.3);
}

/* ---------- inputs ---------- */

textarea,
input[type='url'],
input[type='text'] {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  padding: 11px 13px;
  resize: vertical;
  transition: border-color 0.15s;
}

textarea::placeholder,
input::placeholder {
  color: var(--text-faint);
}

textarea:focus,
input:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  min-height: 132px;
}

.url-row {
  display: flex;
  gap: 8px;
}

.url-row input {
  flex: 1;
}

.hint {
  margin: 8px 0 0;
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.55;
}

/* ---------- char stats ---------- */

.char-stats {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
}

.char-stats b {
  color: var(--accent);
  font-weight: 600;
}

.dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
}

/* ---------- switches ---------- */

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.switch {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  transition: border-color 0.15s;
}

.switch:hover {
  border-color: var(--line-strong);
}

.switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch__track {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: #232b3a;
  transition: background 0.18s;
}

.switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #6c7a90;
  transition: transform 0.18s, background 0.18s;
}

.switch input:checked + .switch__track {
  background: rgba(124, 156, 255, 0.35);
}

.switch input:checked + .switch__track .switch__thumb {
  transform: translateX(14px);
  background: var(--accent);
}

.switch__text {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.switch__text b {
  font-size: 12.5px;
  font-weight: 600;
}

.switch__text em {
  font-style: normal;
  font-size: 11px;
  color: var(--text-faint);
}

/* ---------- buttons ---------- */

button {
  font-family: inherit;
  cursor: pointer;
}

.primary {
  width: 100%;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: #05070b;
  background: linear-gradient(150deg, #a3bdff, var(--accent));
  transition: transform 0.12s, box-shadow 0.16s, opacity 0.16s;
  box-shadow: 0 8px 24px rgba(124, 156, 255, 0.22);
}

.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(124, 156, 255, 0.3);
}

.primary:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  box-shadow: none;
}

.primary.is-busy {
  opacity: 0.75;
  cursor: progress;
}

.secondary {
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s;
}

.secondary:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.ghost {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-dim);
  border-radius: 6px;
  padding: 5px 9px;
  font-size: 11.5px;
  transition: color 0.15s, background 0.15s;
}

.ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.muted {
  color: var(--text-faint);
}

/* ---------- result ---------- */

.panel--result {
  min-height: 240px;
}

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 34px 10px;
  text-align: center;
}

.empty__glyph {
  font-size: 44px;
  color: var(--line-strong);
  line-height: 1;
  margin-bottom: 10px;
}

.empty p {
  margin: 0;
  font-size: 13px;
}

.result__headline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.result__saved {
  display: flex;
  flex-direction: column;
}

.result__saved span {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--good);
  letter-spacing: -1px;
}

.result__saved small {
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.5px;
}

.result__meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  padding-bottom: 4px;
}

.result__meta span {
  color: var(--text);
}

/* ---------- bars ---------- */

.bars {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.bar__row {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  align-items: center;
  gap: 10px;
}

.bar__label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  text-align: right;
}

.bar__track {
  height: 9px;
  border-radius: 999px;
  background: var(--bg-input);
  border: 1px solid var(--line);
  overflow: hidden;
}

.bar__fill {
  height: 100%;
  border-radius: 999px;
  width: 0;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar__fill--origin {
  background: #3c4657;
}

.bar__fill--ttf {
  background: linear-gradient(90deg, #4f6ef0, var(--accent));
}

.bar__fill--woff2 {
  background: linear-gradient(90deg, var(--good), #6ef0c0);
}

.bar__value {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text);
  min-width: 74px;
  text-align: right;
}

/* ---------- downloads ---------- */

.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.downloads a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--text);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  transition: border-color 0.15s, background 0.15s;
}

.downloads a:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.downloads a.primary-dl {
  border-color: rgba(61, 220, 151, 0.4);
  background: rgba(61, 220, 151, 0.09);
  color: var(--good);
}

.downloads a.primary-dl:hover {
  background: rgba(61, 220, 151, 0.16);
}

/* ---------- css snippet ---------- */

.css-snippet {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.css-snippet summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  user-select: none;
}

.css-snippet summary:hover {
  color: var(--text);
}

.css-snippet pre {
  margin: 10px 0 8px;
  padding: 12px;
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--text-dim);
  overflow-x: auto;
  white-space: pre;
}

/* ---------- error ---------- */

.error {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 107, 107, 0.35);
  background: rgba(255, 107, 107, 0.08);
  color: #ffb3b3;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ---------- notes ---------- */

.panel--notes {
  padding: 18px 20px;
}

.notes__title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0.7px;
  text-transform: uppercase;
  font-family: var(--mono);
}

.notes {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

.notes b {
  color: var(--text);
  font-weight: 600;
}

.notes__foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.6;
}

/* ---------- footer ---------- */

.footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px 40px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
}

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .column--result {
    position: static;
  }
}

@media (max-width: 620px) {
  .masthead__inner,
  .layout,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .layout {
    padding-top: 20px;
  }

  .badges {
    display: none;
  }

  .bar__row {
    grid-template-columns: 46px 1fr auto;
  }

  .preview__text {
    font-size: 24px;
  }
}

/* ---------- sample link ---------- */

.sample-link {
  width: 100%;
  margin-top: 10px;
  padding: 9px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  color: var(--text-dim);
  background: transparent;
  transition: border-color 0.15s, color 0.15s;
}

.sample-link:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.sample-link:disabled {
  opacity: 0.6;
  cursor: progress;
}

/* ---------- 工作模式切换（按需裁剪 / 格式转换） ---------- */

.modebar {
  max-width: 1240px;
  margin: 26px auto 0;
  padding: 0 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
}

.mode {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text-dim);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}

.mode:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.mode.is-active {
  border-color: rgba(124, 156, 255, 0.5);
  background: linear-gradient(180deg, rgba(124, 156, 255, 0.13), rgba(124, 156, 255, 0.04));
  color: var(--text);
  box-shadow: 0 10px 30px rgba(124, 156, 255, 0.08);
}

.mode__title {
  font-size: 14px;
  font-weight: 700;
}

.mode__desc {
  font-size: 11.5px;
  color: var(--text-faint);
}

.mode.is-active .mode__desc {
  color: var(--text-dim);
}

/* 转换模式的轮廓说明条 */
.hint--note {
  margin-top: 14px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(242, 181, 68, 0.28);
  background: rgba(242, 181, 68, 0.07);
  color: #d9bd85;
}

.hint--note b {
  color: var(--warn);
}

@media (max-width: 860px) {
  .modebar {
    grid-template-columns: 1fr;
    padding: 0 18px;
  }
}