:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #17202a;
  --muted: #667085;
  --line: #d9dee7;
  --soft: #eef2f7;
  --primary: #1456d9;
  --primary-dark: #0f3fa0;
  --safe: #137a4b;
  --safe-bg: #e8f7ef;
  --warn: #b86000;
  --warn-bg: #fff0d8;
  --danger: #c62828;
  --danger-bg: #ffe4e2;
  --shadow: 0 12px 32px rgba(20, 36, 70, 0.10);
  --radius: 8px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  min-height: 48px;
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

.app {
  width: min(100%, 560px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 2px 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 14px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.16;
}

h2 {
  font-size: 22px;
  line-height: 1.25;
}

main {
  display: grid;
  gap: 14px;
}

.hero-card,
.panel,
.metric-strip article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 18px;
  display: grid;
  gap: 18px;
}

.member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.member-row label,
.record-form span,
.summary-grid span,
.metric-strip span,
.panel-title p,
.helper-text,
.record-item span {
  color: var(--muted);
  font-size: 15px;
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 0 12px;
  font-size: 18px;
}

.member-row select {
  width: auto;
  min-width: 148px;
}

.main-number {
  display: grid;
  gap: 4px;
}

.main-number span {
  color: var(--muted);
  font-size: 17px;
}

.main-number strong {
  font-size: clamp(44px, 13vw, 68px);
  line-height: 1.05;
}

.summary-grid,
.metric-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.summary-grid div,
.metric-strip article {
  padding: 14px;
  display: grid;
  gap: 6px;
}

.summary-grid strong,
.metric-strip strong {
  font-size: 27px;
  line-height: 1.12;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 8px 12px;
}

.status-safe {
  color: var(--safe);
  background: var(--safe-bg);
}

.status-warn {
  color: var(--warn);
  background: var(--warn-bg);
}

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

.progress-track {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
}

.progress-bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--safe);
  transition: width 180ms ease, background 180ms ease;
}

.panel {
  padding: 16px;
}

.panel-title {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
}

.row-title {
  grid-template-columns: 1fr auto;
  align-items: start;
}

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

.record-form label {
  display: grid;
  gap: 7px;
}

.full-width {
  grid-column: 1 / -1;
}

.primary-button,
.secondary-button,
.ghost-button,
.small-button {
  border-radius: var(--radius);
  font-weight: 750;
}

.primary-button {
  min-height: 56px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 16px;
  background: var(--text);
  color: #fff;
  font-size: 18px;
}

.ghost-button,
.small-button {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-dark);
}

.form-message {
  min-height: 22px;
  margin-top: 10px;
  color: var(--danger);
  font-size: 15px;
}

.records-list {
  display: grid;
  gap: 10px;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 17px;
  text-align: center;
}

.record-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.record-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
}

.record-side {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.record-side b {
  font-size: 22px;
}

.delete-button {
  min-height: 38px;
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 700;
}

.backup-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.file-button {
  position: relative;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

@media (display-mode: standalone) {
  .app-header {
    padding-top: 12px;
  }
}

@media (max-width: 420px) {
  .app {
    padding-left: 12px;
    padding-right: 12px;
  }

  h1 {
    font-size: 27px;
  }

  .record-form,
  .summary-grid,
  .metric-strip,
  .backup-actions {
    grid-template-columns: 1fr;
  }

  .member-row {
    align-items: stretch;
    flex-direction: column;
  }

  .member-row select {
    width: 100%;
  }
}