src/styles.css

@import "tailwindcss";

@theme {
  --font-sans: "Avenir Next", Avenir, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root {
  color-scheme: light;
  --canvas: #f2f0e9;
  --paper: #f7f5ef;
  --paper-elevated: #fcfbf7;
  --soft: #ece9e0;
  --ink: #18201e;
  --muted-strong: #626a65;
  --muted: #858b86;
  --line: rgba(29, 41, 37, 0.11);
  --line-strong: rgba(29, 41, 37, 0.2);
  --accent: #286b59;
  --success: #3f8068;
  --danger: #b34c42;
  --token-color-0: #167d74;
  --token-color-1: #3669b3;
  --token-color-2: #7355a5;
  --token-color-3: #ad4f70;
  --token-color-4: #a55f20;
  --token-color-5: #398358;
  --token-color-6: #2f718d;
  --token-color-7: #8b5a3c;
  --shadow-soft: 0 18px 60px rgba(44, 49, 42, 0.08);
  background: var(--canvas);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0e1012;
  --paper: #15181b;
  --paper-elevated: #1b1f23;
  --soft: #20252a;
  --ink: #f0f2f4;
  --muted-strong: #aab1b9;
  --muted: #747d86;
  --line: rgba(235, 240, 245, 0.09);
  --line-strong: rgba(235, 240, 245, 0.16);
  --accent: #72bca7;
  --success: #70b99b;
  --danger: #ed8f87;
  --token-color-0: #63b3ed;
  --token-color-1: #8ba5ff;
  --token-color-2: #b699f2;
  --token-color-3: #e593b0;
  --token-color-4: #e6ad70;
  --token-color-5: #79c6a3;
  --token-color-6: #67c5cf;
  --token-color-7: #c99a7a;
  --shadow-soft: 0 20px 70px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 11% 6%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 28rem),
    radial-gradient(circle at 88% 32%, color-mix(in srgb, #b79a62 7%, transparent), transparent 30rem),
    var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 2%, rgba(79, 105, 136, 0.09), transparent 30rem),
    radial-gradient(circle at 88% 30%, rgba(119, 88, 119, 0.045), transparent 32rem),
    var(--canvas);
}

button,
input,
textarea {
  font: inherit;
}

button,
a,
input,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}

.surface {
  border: 1px solid var(--line);
  border-radius: 17px;
  background: color-mix(in srgb, var(--paper) 97%, transparent);
  box-shadow: 0 8px 30px rgba(44, 49, 42, 0.055);
  backdrop-filter: blur(16px);
}

.eyebrow {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-title {
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.field-label {
  color: var(--muted-strong);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.text-field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--soft);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

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

.text-field:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: var(--paper-elevated);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 9%, transparent);
}

.primary-button,
.quiet-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  cursor: pointer;
  font-weight: 650;
  transition: transform 150ms ease, background-color 150ms ease, color 150ms ease, opacity 150ms ease;
}

.primary-button {
  border-radius: 11px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--accent);
}

.primary-button:disabled,
.quiet-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.quiet-button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  padding: 7px 10px;
  color: var(--muted-strong);
  font-size: 11px;
}

.quiet-button:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: var(--soft);
  color: var(--ink);
}

.icon-button {
  width: 39px;
  height: 39px;
  place-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  color: var(--muted-strong);
  box-shadow: 0 7px 24px rgba(20, 32, 27, 0.04);
}

.icon-button:hover {
  transform: translateY(-1px);
  color: var(--ink);
}

.status-pill,
.format-pill,
.metric-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.status-pill {
  gap: 5px;
  padding: 5px 8px;
  color: var(--success);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.format-pill {
  padding: 5px 9px;
  background: var(--soft);
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 9px;
}

.metric-chip {
  gap: 4px;
  padding: 7px 10px;
  background: var(--soft);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-chip strong {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 650;
}

.stat-card {
  display: flex;
  min-height: 82px;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--soft);
  padding: 13px;
}

.stat-card span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stat-card strong {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 550;
  letter-spacing: -0.04em;
}

.token-output-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--paper-elevated) 44%, transparent), transparent);
}

.token-stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--soft) 32%, transparent), transparent 90px),
    color-mix(in srgb, var(--paper-elevated) 68%, transparent);
  padding: 14px;
  box-shadow: inset 0 1px 3px rgba(25, 31, 28, 0.045);
}

.token-chip {
  --token-color: var(--token-color-0);
  position: relative;
  display: inline-flex;
  min-width: 72px;
  min-height: 62px;
  max-width: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--token-color) 32%, var(--line));
  border-radius: 10px;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--token-color) 9%, var(--paper-elevated)),
    color-mix(in srgb, var(--token-color) 5%, var(--paper-elevated))
  );
  box-shadow:
    0 4px 12px rgba(20, 28, 24, 0.055),
    inset 0 1px 0 color-mix(in srgb, white 8%, transparent);
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.token-chip:hover {
  z-index: 1;
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--token-color) 58%, var(--line));
  background: color-mix(in srgb, var(--token-color) 14%, var(--paper-elevated));
  box-shadow:
    0 10px 24px color-mix(in srgb, var(--token-color) 13%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 10%, transparent);
}

.token-chip-special {
  --token-color: var(--accent) !important;
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
}

.token-text {
  min-width: 1ch;
  flex: 1;
  overflow-wrap: anywhere;
  padding: 12px 13px 5px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.35;
  white-space: pre-wrap;
}

.token-id {
  width: 100%;
  padding: 2px 12px 9px;
  color: color-mix(in srgb, var(--token-color) 58%, var(--ink));
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  text-align: right;
}

.token-id::before {
  margin-right: 3px;
  content: "ID";
  font-size: 8px;
  font-weight: 650;
  opacity: 0.58;
}

.token-map-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
  padding: 0 2px;
}

.token-map-label {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.token-map {
  display: flex;
  height: 7px;
  min-width: 0;
  flex: 1;
  align-items: stretch;
  gap: 1px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
  padding: 1px;
}

.token-map-segment {
  min-width: 1px;
  flex-basis: 0;
  border-radius: 1px;
  opacity: 0.58;
}

.toolbar-label {
  display: block;
  margin: 0 0 4px 2px;
  color: var(--muted-strong);
  font-size: 10px;
  font-weight: 650;
}

.toolbar-control {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--paper-elevated) 96%, transparent);
  padding: 0 14px;
  color: var(--ink);
  box-shadow: 0 5px 18px rgba(25, 31, 28, 0.05);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.toolbar-control:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: 0 8px 24px rgba(25, 31, 28, 0.08);
}

.popover-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-elevated);
  box-shadow: 0 24px 70px rgba(27, 32, 29, 0.18);
}

.model-option {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  padding: 8px;
  cursor: pointer;
  transition: background-color 140ms ease;
}

.model-option:hover {
  background: var(--soft);
}

.settings-row {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  padding: 8px 9px;
  color: var(--muted-strong);
  cursor: pointer;
  text-align: left;
  transition: background-color 140ms ease;
}

.settings-row:hover {
  background: var(--soft);
}

.settings-row strong,
.settings-row small {
  display: block;
}

.settings-row strong {
  color: var(--ink);
  font-size: 11px;
  font-weight: 650;
}

.settings-row small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
}

.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--line-strong);
  transition: background-color 160ms ease;
}

.toggle::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
  content: "";
  transition: transform 160ms ease;
}

.peer:checked ~ .toggle {
  background: var(--accent);
}

.peer:checked ~ .toggle::after {
  transform: translateX(16px);
}

.editor-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: color-mix(in srgb, var(--paper-elevated) 82%, transparent);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.editor-shell:focus-within {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 9%, transparent);
}

.mini-icon-button {
  display: inline-grid;
  width: 34px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper-elevated);
  color: var(--muted-strong);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.mini-icon-button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--soft);
  color: var(--ink);
}

.mini-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.tokenize-button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 7px;
  border: 1px solid color-mix(in srgb, var(--ink) 75%, transparent);
  border-radius: 9px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--ink) 88%, #555), var(--ink));
  padding: 0 14px;
  color: var(--paper);
  box-shadow: 0 5px 14px rgba(19, 24, 22, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
  transition: transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.tokenize-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(19, 24, 22, 0.22);
}

.tokenize-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.select-control {
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--soft);
  padding: 0 28px 0 10px;
  color: var(--muted-strong);
  outline: none;
  cursor: pointer;
  font-size: 10px;
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.select-control:hover {
  border-color: var(--line-strong);
  background: var(--paper-elevated);
}

.select-control:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 9%, transparent);
}

.detail-metric {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--line);
  padding: 20px;
}

.detail-icon {
  display: grid;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--soft);
  color: var(--muted-strong);
}

.message-banner {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  border: 1px solid;
  border-radius: 12px;
  padding: 10px 13px;
  font-size: 11px;
}

@media (min-width: 640px) {
  .detail-metric:nth-child(odd) {
    border-right: 1px solid var(--line);
  }
}

@media (min-width: 1024px) {
  .detail-metric {
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .detail-metric:last-child {
    border-right: 0;
  }
}

@keyframes loading {
  0% {
    transform: translateX(-120%);
  }
  50% {
    transform: translateX(180%);
  }
  100% {
    transform: translateX(420%);
  }
}

@media (max-width: 640px) {
  .surface {
    border-radius: 15px;
  }

  .toolbar-control {
    min-height: 42px;
    padding: 0 11px;
  }
}

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