:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #eef4f9;
  --text: #17202a;
  --muted: #657384;
  --line: #dbe4ed;
  --primary: #176b87;
  --primary-dark: #0f5066;
  --success: #248a5a;
  --danger: #bd3d3a;
  --shadow: 0 18px 48px rgba(32, 45, 60, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", Arial, sans-serif;
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
}

h2 {
  font-size: 1.2rem;
}

.primary-button,
.ghost-button {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
}

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

.primary-button:hover {
  background: var(--primary-dark);
}

.ghost-button {
  background: var(--panel-soft);
  color: var(--primary-dark);
}

.wide {
  width: 100%;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.summary-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 8px 24px rgba(32, 45, 60, 0.06);
}

.summary-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-card strong {
  display: block;
  font-size: 1.55rem;
}

.summary-card .positive,
.positive {
  color: var(--success);
}

.summary-card .negative,
.negative {
  color: var(--danger);
}

.workspace {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.entry-form,
.records-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.entry-form {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.form-header,
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  padding: 9px 11px;
  background: #fff;
  color: var(--text);
}

input:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(23, 107, 135, 0.14);
}

.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.status-text {
  min-height: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.records-panel {
  overflow: hidden;
}

.panel-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.panel-header input {
  max-width: 240px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.86rem;
}

td {
  font-size: 0.94rem;
}

.empty-cell {
  padding: 36px 14px;
  text-align: center;
  color: var(--muted);
}

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

.small-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  min-height: 34px;
  padding: 0 10px;
  cursor: pointer;
}

.small-button:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.small-button.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

@media (max-width: 920px) {
  .summary-grid,
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding: 18px 0;
  }

  .topbar,
  .panel-header,
  .form-header {
    align-items: stretch;
    flex-direction: column;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }

  .panel-header input {
    max-width: none;
  }
}