:root {
  --ink: #14201a;
  --muted: #5c6b63;
  --line: #d5ddd7;
  --paper: #f3f6f2;
  --panel: #ffffffcc;
  --accent: #0f6b4c;
  --accent-2: #c4a35a;
  --danger: #9b2c2c;
  --shadow: 0 18px 50px rgba(20, 32, 26, 0.08);
  --radius: 18px;
  --font: "DM Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: #e8eee9;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, #d9e8df 0%, transparent 60%),
    radial-gradient(700px 400px at 90% 0%, #efe6cf 0%, transparent 55%),
    linear-gradient(180deg, #eef3ef 0%, #e4ebe5 100%);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  margin-bottom: 28px;
}

.brand {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  font-weight: 700;
}

.sub {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--muted);
  line-height: 1.5;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.drop {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 180px;
  border: 1.5px dashed #9fb3a6;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(15,107,76,0.04), rgba(196,163,90,0.06));
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.drop:hover, .drop.drag {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.drop-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.drop-hint {
  color: var(--muted);
  font-size: 0.92rem;
}

.status {
  margin: 14px 0 0;
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hidden { display: none !important; }

.meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #123d2e;
  color: #e8f5ee;
  font-size: 12px;
  font-weight: 600;
  margin-right: 10px;
}

.file-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-head p {
  margin: 6px 0 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

.fields {
  display: grid;
  gap: 12px;
}

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

.field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

.field input:disabled {
  background: #eef2ef;
  color: var(--muted);
}

.field input:focus {
  outline: 2px solid rgba(15,107,76,0.25);
  border-color: var(--accent);
}

.actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

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

.btn.primary:disabled {
  opacity: 0.55;
  cursor: wait;
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-wrap {
  overflow: auto;
  max-height: 520px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: #f7faf7;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

td:nth-child(4) {
  font-family: var(--mono);
  font-size: 12px;
  max-width: 360px;
}

@media (min-width: 960px) {
  .grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}