:root {
  --ink: #1f2933;
  --muted: #607080;
  --navy: #1f3a5f;
  --line: #d9e2ec;
  --pale: #eef2f7;
  --warm: #fff4e6;
  --green: #1b7f5a;
  --red: #b42318;
  --bg: #f7f9fc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-box {
  display: grid;
  gap: 14px;
  width: min(420px, 100%);
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.login-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  font: inherit;
}

.login-message {
  min-height: 20px;
  color: var(--red);
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: 28px;
  color: var(--navy);
}

h2 {
  font-size: 16px;
}

#subtitle {
  margin-top: 6px;
  color: var(--muted);
}

select, textarea, button {
  font: inherit;
}

select {
  height: 38px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 12px;
  border-radius: 6px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.metrics article, .panel, .entry {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics article {
  padding: 16px;
}

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

.metrics strong {
  font-size: 24px;
  color: var(--navy);
}

.grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
}

.panel {
  padding: 16px;
  min-height: 210px;
}

.panel.wide {
  grid-column: span 1;
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-title span {
  color: var(--muted);
  font-size: 13px;
}

.category-row {
  display: grid;
  grid-template-columns: 120px 1fr 90px 60px;
  gap: 10px;
  align-items: center;
  min-height: 34px;
  border-bottom: 1px solid var(--pale);
}

.bar {
  height: 10px;
  background: var(--pale);
  border-radius: 5px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: var(--green);
}

.list-item, .table-row {
  display: grid;
  grid-template-columns: 90px 90px 1fr;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--pale);
  font-size: 14px;
}

.alerts p {
  margin: 0 0 8px;
  padding: 10px;
  background: var(--warm);
  border-left: 3px solid #f59e0b;
}

.entry {
  margin-top: 12px;
  padding: 16px;
}

textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}

.entry-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.upload-row {
  display: grid;
  grid-template-columns: 80px 1fr 180px;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
}

button {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--navy);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  background: #a7b3c2;
  cursor: not-allowed;
}

.parse-result {
  margin-top: 12px;
  font-size: 14px;
}

.confirm-table {
  display: grid;
  gap: 8px;
}

.confirm-row {
  display: grid;
  grid-template-columns: 110px 110px 1fr 130px 140px 1fr;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.confirm-row input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
}

.confirm-row label {
  display: grid;
  gap: 4px;
}

.confirm-row label span {
  color: var(--muted);
  font-size: 12px;
}

.receipt-preview {
  max-width: 160px;
  max-height: 96px;
  border: 1px solid var(--line);
  border-radius: 6px;
  object-fit: contain;
  background: #fff;
}

.danger {
  color: var(--red);
}

@media (max-width: 860px) {
  .metrics, .grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .category-row, .list-item, .table-row {
    grid-template-columns: 1fr;
  }

  .upload-row, .confirm-row {
    grid-template-columns: 1fr;
  }
}