:root {
  --bg: #f3f0e7;
  --ink: #1d1b16;
  --accent: #b8562c;
  --accent-2: #1a6f5a;
  --paper: #fffaf0;
  --muted: #6c6458;
  --line: #e4ddcf;
  --chip: #efe6d6;
  --danger: #8a1f11;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  color: var(--ink);
  background: radial-gradient(1000px 600px at 10% -10%, #f9f4ea 0%, var(--bg) 55%) fixed;
}

.header {
  padding: 28px 32px 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #fff7e6 0%, #f6efe1 60%, #f2eadc 100%);
}

.header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 0.5px;
}

.header p {
  margin: 0;
  color: var(--muted);
}

.container {
  padding: 20px 32px 40px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

button, input[type="file"], select, input[type="text"], input[type="password"] {
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

button.secondary {
  background: var(--accent-2);
}

button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

input[type="text"], input[type="password"], select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  min-width: 200px;
}

.table-wrap {
  margin-top: 16px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  position: relative;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  position: relative;
  z-index: 1;
}

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

th {
  position: sticky;
  top: 0;
  background: #f8f2e6;
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--chip);
  color: var(--muted);
}

.badge.dup { background: #f4c7c1; color: var(--danger); }

.muted { color: var(--muted); }

.overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.saved-overlay {
  position: absolute;
  left: 0;
  right: 0;
  background: rgba(76, 175, 120, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #1f6c55;
  animation: saved-overlay 1.4s ease-out;
}

@keyframes saved-overlay {
  0% { opacity: 0; }
  15% { opacity: 1; }
  100% { opacity: 0; }
}

.details {
  padding: 10px 14px;
  background: #fffdf8;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.notice-bar {
  margin-top: 12px;
  padding: 8px 12px;
  background: #f7e6e2;
  border: 1px solid #f0c8bf;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: #7a2f22;
}

.undo-bar {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.undo-item {
  padding: 6px 10px;
  background: #fff4d8;
  border: 1px solid #f2d9a6;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.login {
  max-width: 360px;
  margin: 60px auto;
}

.login h2 { margin-top: 0; }

.notice {
  margin-top: 10px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .header, .container { padding: 18px; }
  table { font-size: 13px; }
}