@font-face {
  font-family: "DataForge HYWenHei";
  src: url("/static/fonts/HYWenHei-85W.woff2") format("woff2"),
       url("/static/fonts/HYWenHei-85W.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 400 700;
}

:root {
  --background: #FFFFFF;
  --section: #F8F8FC;
  --line: #E9E9EF;
  --text: #111111;
  --secondary: #8E8E93;
  --blue: #007AFF;
  --blue-hover: #006FE6;
  --green: #34C759;
  --danger: #FF3B30;
  --font-title: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Segoe UI", sans-serif;
  --font-text: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Segoe UI", Roboto, sans-serif;
  --font-code: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: var(--font-text);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

button,
input,
textarea {
  font: inherit;
  letter-spacing: inherit;
}

.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.header {
  padding: 0 0 24px;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
h3,
.card-title,
label {
  font-family: var(--font-text);
}

h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.12;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--secondary);
  font-size: 15px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
}

.token-field {
  font-size: 0.875rem;
  opacity: 0.85;
}

.api-token {
  min-width: 16rem;
  max-width: 24rem;
  flex: 1 1 12rem;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
}

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 46px rgba(17, 17, 17, 0.04);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--section);
}

.card-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.status {
  color: var(--secondary);
  font-size: 13px;
  white-space: nowrap;
  transition: color 180ms ease, opacity 180ms ease;
}

.status.is-waiting,
.status.is-processing {
  color: var(--blue);
}

.status.is-done,
.status.is-finished {
  color: var(--green);
}

.status.is-failed {
  color: var(--danger);
}

.progress {
  position: relative;
  height: 7px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 122, 255, 0.08) 25%, rgba(0, 122, 255, 0.18) 50%, rgba(0, 122, 255, 0.08) 75%),
    var(--section);
  background-size: 240% 100%, 100% 100%;
  animation: progress-track-flow 2.6s linear infinite;
}

.progress::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
  transform: translateX(-120%);
}

.progress-bar {
  position: relative;
  width: 0%;
  height: 100%;
  overflow: hidden;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, #007AFF, #32ADE6 48%, #5AC8FA);
  box-shadow: 0 0 16px rgba(0, 122, 255, 0.28);
  opacity: 0;
  transition: width 520ms cubic-bezier(0.2, 0.8, 0.25, 1), opacity 180ms ease, background 180ms ease, background-color 180ms ease;
}

.progress-bar::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.46) 42%, rgba(255, 255, 255, 0.88) 50%, rgba(255, 255, 255, 0.4) 58%, transparent 100%);
  transform: translateX(-120%);
  animation: progress-shimmer 1.65s cubic-bezier(0.45, 0, 0.25, 1) infinite;
}

.card.is-active .progress-bar,
.card.is-active .progress::before {
  opacity: 1;
}

.card.is-active .progress::before {
  animation: progress-sheen 2.3s cubic-bezier(0.45, 0, 0.25, 1) infinite;
}

.card.is-near-complete .progress-bar::before,
.card.is-near-complete .progress::before {
  animation-duration: 3.8s;
}

.card.is-done .progress,
.card.is-finished .progress {
  background:
    linear-gradient(90deg, rgba(52, 199, 89, 0.1) 25%, rgba(52, 199, 89, 0.2) 50%, rgba(52, 199, 89, 0.1) 75%),
    var(--section);
}
.card.is-done .progress-bar,
.card.is-finished .progress-bar {
  background: linear-gradient(90deg, #34C759, #66D982);
  opacity: 1;
}

.card.is-failed .progress-bar {
  background: linear-gradient(90deg, #FF3B30, #FF6B62);
  opacity: 1;
}

@keyframes progress-track-flow {
  from {
    background-position: 120% 0, 0 0;
  }
  to {
    background-position: -120% 0, 0 0;
  }
}

@keyframes progress-shimmer {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }
  18% {
    opacity: 0.82;
  }
  100% {
    transform: translateX(120%);
    opacity: 0;
  }
}

@keyframes progress-sheen {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }
  18% {
    opacity: 0.75;
  }
  100% {
    transform: translateX(120%);
    opacity: 0;
  }
}


.card-body {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 112px;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

label {
  color: var(--secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #FFFFFF;
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, opacity 180ms ease;
}

input {
  height: 42px;
  padding: 0 12px;
}

textarea {
  min-height: 220px;
  resize: vertical;
  padding: 11px 12px;
  line-height: 1.4;
}

.statement-input {
  font-family: var(--font-text);
}

.code-input,
code,
pre {
  font-family: var(--font-code);
}

.code-input {
  font-size: 14px;
  line-height: 1.55;
  tab-size: 2;
}

.manual-solution {
  display: grid;
  gap: 10px;
}

.toggle-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  cursor: pointer;
}

.toggle-line input {
  width: 16px;
  height: 16px;
}

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

input::placeholder,
textarea::placeholder {
  color: rgba(142, 142, 147, 0.72);
}

input:focus,
textarea:focus {
  border-color: var(--blue);
}

.actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding-top: 2px;
}

.button {
  min-height: 42px;
  border: 0;
  border-radius: 10px;
  padding: 0 16px;
  background: var(--blue);
  color: #FFFFFF;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 180ms ease, color 180ms ease, opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  background: var(--blue-hover);
  box-shadow: 0 8px 20px rgba(0, 122, 255, 0.18);
  transform: translateY(-1px);
}

.button:disabled {
  cursor: default;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

.button.secondary {
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--blue);
}

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

@media (max-width: 520px) {
  .app {
    padding-top: 24px;
  }

  .toolbar,
  .field-row,
  .actions {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

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