:root {
  --purple: #660099;
  --purple-dark: #4b0073;
  --gray: #6a747d;
  --bg: #f5f6fa;
  --card: #ffffff;
  --border: #e5e7ef;
  --text: #111827;
  --muted: #6b7280;
  --success: #169b45;
  --warning: #f59e0b;
  --danger: #dc2626;
  --radius: 22px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102,0,153,.13), transparent 35%),
    var(--bg);
  color: var(--text);
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 18px 60px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(17,24,39,.07);
}

.intro {
  padding: 34px;
  position: relative;
  overflow: hidden;
}

.intro:after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 260px;
  height: 260px;
  background: rgba(102,0,153,.08);
  border-radius: 50%;
}

.eyebrow {
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 12px;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -1.4px;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  max-width: 720px;
}

.upload-card {
  padding: 24px;
}

.dropzone {
  border: 2px dashed rgba(102,0,153,.38);
  background: #fbf5ff;
  border-radius: 20px;
  min-height: 245px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
  cursor: pointer;
  transition: .2s;
}

.dropzone.is-drag {
  background: #f3e8ff;
  border-color: var(--purple);
  transform: translateY(-2px);
}

.drop-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: #fff;
  color: var(--purple);
  font-size: 34px;
  box-shadow: 0 12px 30px rgba(102,0,153,.14);
}

.dropzone strong {
  display: block;
  font-size: 21px;
  margin-bottom: 6px;
}

.dropzone span {
  color: var(--muted);
  font-size: 14px;
}

.file-meta {
  display: none;
  margin-top: 14px;
  padding: 14px;
  background: #f9fafb;
  border-radius: 16px;
  color: var(--muted);
  font-size: 14px;
}

.hidden-file { display: none; }

.section {
  margin-top: 24px;
  padding: 24px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.section-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: -.4px;
}

.scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.scenario {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  cursor: pointer;
  transition: .18s;
  background: #fff;
}

.scenario input { display: none; }

.scenario b {
  display: block;
  margin-bottom: 7px;
}

.scenario span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.scenario:has(input:checked) {
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(102,0,153,.08);
  background: #fcf7ff;
}

textarea {
  width: 100%;
  min-height: 118px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  font-size: 15px;
  resize: vertical;
  outline: none;
  margin-top: 14px;
}

textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(102,0,153,.08);
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 16px;
  padding: 15px 20px;
  font-weight: 800;
  cursor: pointer;
  font-size: 15px;
  transition: .18s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--purple);
  color: #fff;
}

.btn-primary:hover { background: var(--purple-dark); }

.btn-soft {
  background: #f3e8ff;
  color: var(--purple);
}

.btn-green {
  background: var(--success);
  color: #fff;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.metric {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.metric b {
  display: block;
  font-size: 24px;
}

.progress-wrap {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 700;
}

.progress {
  height: 14px;
  background: #e5e7eb;
  border-radius: 99px;
  overflow: hidden;
}

.bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--purple), #a855f7);
  transition: .35s;
}

.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(126px, 1fr));
  gap: 14px;
}

.page-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  transition: .18s;
}

.page-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(17,24,39,.08);
}

.page-thumb {
  height: 158px;
  background: #f3f4f6;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
}

.page-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-info {
  padding: 10px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}

.badge {
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 99px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-done { background: #e8f8ee; color: var(--success); }
.badge-processing { background: #fff7e6; color: #b45309; }
.badge-retrying { background: #fff7e6; color: #b45309; }
.badge-pending { background: #eef2ff; color: #4f46e5; }
.badge-failed { background: #fee2e2; color: var(--danger); }

.split-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.viewer {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: #f9fafb;
  min-height: 360px;
}

.viewer-head {
  padding: 12px 14px;
  font-weight: 800;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.viewer-body {
  height: 420px;
  display: grid;
  place-items: center;
  color: var(--muted);
  overflow: auto;
}

.viewer-body img {
  max-width: 100%;
  display: block;
}

.result-card {
  display: none;
  padding: 26px;
  background:
    linear-gradient(135deg, rgba(102,0,153,.95), rgba(75,0,115,.95)),
    var(--purple);
  color: #fff;
  border-radius: 24px;
  margin-top: 24px;
}

.result-card h2 {
  margin: 0 0 16px;
  font-size: 30px;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.result-stat {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  padding: 14px;
  border-radius: 16px;
}

.result-stat span {
  display: block;
  opacity: .75;
  font-size: 13px;
  margin-bottom: 8px;
}

.queue-list {
  display: grid;
  gap: 10px;
}

.queue-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--muted);
  font-size: 14px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}

@media (max-width: 980px) {
  .hero,
  .dashboard,
  .split-view {
    grid-template-columns: 1fr;
  }

  .scenarios {
    grid-template-columns: 1fr;
  }

  .result-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}


.work-row {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 24px;
  margin-top: 24px;
  align-items: stretch;
}

.work-choice,
.work-process {
  margin-top: 0;
}

.work-row .scenarios {
  grid-template-columns: 1fr;
}

.dashboard-inside {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.dashboard-inside .progress-wrap,
.dashboard-inside .metric {
  width: 100%;
}

@media (max-width: 980px) {
  .work-row {
    grid-template-columns: 1fr;
  }
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: 1.3fr .8fr .8fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.history-item__name {
  font-weight: 800;
}

.history-item__meta {
  color: var(--muted);
  font-size: 13px;
}

.history-item__status {
  font-weight: 800;
}

@media (max-width: 760px) {
  .history-item {
    grid-template-columns: 1fr;
  }
}


/* History + live processing UX */
.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: 1.4fr .7fr .7fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.history-item__name {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.history-item__meta {
  color: var(--muted);
  font-size: 13px;
}

.history-item .btn {
  padding: 10px 14px;
  border-radius: 12px;
  white-space: nowrap;
}

.btn.is-loading,
.btn:disabled {
  opacity: .7;
  cursor: not-allowed;
  pointer-events: none;
}

@media (max-width: 760px) {
  .history-item {
    grid-template-columns: 1fr;
  }
}