:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1d2430;
  --muted: #667085;
  --line: #d0d5dd;
  --accent: #147a73;
  --accent-strong: #0f5f59;
  --track: #e4e7ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button,
input {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.app-shell {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 32px 16px;
}

.upload-panel {
  display: grid;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgb(16 24 40 / 8%);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

h1,
p {
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.1;
}

.subtle {
  margin-top: 6px;
  color: var(--muted);
}

.status-pill {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: 999px;
  color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-size: 0.875rem;
  font-weight: 700;
}

.file-picker {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.file-summary {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.file-summary span {
  color: var(--muted);
}

.progress-wrap {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--track);
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 180ms ease;
}

.progress-meta {
  margin-top: -12px;
  color: var(--muted);
  font-size: 0.875rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  min-width: 96px;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}

button.danger {
  border-color: #b42318;
  color: #b42318;
  background: transparent;
}

button:disabled {
  color: var(--muted);
  background: var(--track);
  cursor: not-allowed;
}

.pending-section {
  display: grid;
  gap: 12px;
}

h2 {
  margin: 0;
  font-size: 1rem;
}

.pending-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pending-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pending-item strong,
.file-summary strong {
  overflow-wrap: anywhere;
}

.pending-meta {
  display: grid;
  gap: 4px;
}

.pending-meta span {
  color: var(--muted);
  font-size: 0.875rem;
}

.event-log {
  min-height: 80px;
  margin: 0;
  padding: 14px 14px 14px 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --panel: #1f242b;
    --text: #f2f4f7;
    --muted: #b8c0cc;
    --line: #3d4654;
    --accent: #35b8aa;
    --accent-strong: #9ce4dc;
    --track: #343b46;
  }
}

@media (max-width: 520px) {
  .panel-heading {
    display: grid;
  }

  .status-pill {
    width: max-content;
  }

  .upload-panel {
    padding: 18px;
  }

  .pending-item {
    grid-template-columns: 1fr;
  }
}