:root {
  --bg: #f5f3ec;
  --surface: #fffdf7;
  --line: #ded8c8;
  --ink: #23251f;
  --muted: #687064;
  --green: #39795d;
  --green-dark: #245b45;
  --red: #903a3a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1180px;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.sidebar {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.sidebar h1 {
  margin: 0;
  color: var(--green-dark);
}

.sidebar p {
  color: var(--muted);
  margin: 6px 0 24px;
}

.nav {
  width: 100%;
  min-height: 42px;
  margin-bottom: 9px;
  text-align: left;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.nav.active,
.nav:hover {
  background: #edf5eb;
  border-color: #cadcc7;
  color: var(--green-dark);
}

main {
  padding: 24px;
  overflow: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

header span {
  color: var(--muted);
  font-size: 13px;
}

header h2 {
  margin: 4px 0 0;
  font-size: 28px;
}

button {
  min-height: 36px;
  border: 1px solid #b8cdb2;
  background: #f8fbf4;
  color: var(--green-dark);
  padding: 0 12px;
  cursor: pointer;
}

button.danger {
  border-color: #e0b3aa;
  background: #fff4f1;
  color: var(--red);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric,
.panel {
  border: 1px solid var(--line);
  background: var(--surface);
}

.metric {
  min-height: 116px;
  padding: 18px;
}

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

.metric strong {
  display: block;
  font-size: 32px;
  margin-top: 10px;
}

.panel {
  padding: 18px;
  margin-bottom: 16px;
}

.panel h3 {
  margin: 0 0 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

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

input,
select,
textarea {
  min-height: 38px;
  border: 1px solid var(--line);
  background: #fffefb;
  padding: 0 10px;
}

textarea {
  min-height: 80px;
  padding: 10px;
  resize: vertical;
}

.form-grid textarea {
  grid-column: span 3;
}

.form-grid button {
  width: 160px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fffefb;
}

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

th {
  background: #edf5eb;
  color: var(--green-dark);
  white-space: nowrap;
}

td {
  color: #3f443a;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.upload-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border: 1px solid #b8cdb2;
  background: #f8fbf4;
  color: var(--green-dark);
  padding: 0 12px;
  cursor: pointer;
}

.upload-button input {
  display: none;
}

.status {
  display: inline-block;
  padding: 3px 7px;
  background: #f2efe5;
  border: 1px solid #ddd5c2;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 360px;
  display: none;
  padding: 12px 14px;
  background: #245b45;
  color: white;
}

.toast.show {
  display: block;
}