:root {
  --deep: #49306f;
  --primary: #7d5ac8;
  --primary-2: #a98be8;
  --bg: #fbf8ff;
  --card: rgba(255,255,255,.86);
  --line: #e5daf7;
  --text: #2f2940;
  --muted: #746982;
  --danger: #c93564;
  --danger-bg: #ffe6ef;
  --ok: #25835a;
  --ok-bg: #e9fff5;
  --shadow: 0 14px 36px rgba(85, 58, 130, .13);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, #efe7ff 0, transparent 34rem),
    linear-gradient(135deg, #fbf8ff 0%, #f1eaff 46%, #ffffff 100%);
}

button, input, select, textarea {
  font: inherit;
  min-width: 0;
}

button, select, input {
  min-height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

button {
  padding: 0 14px;
  cursor: pointer;
  font-weight: 700;
}

button.primary, .primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
}

button.ghost {
  background: rgba(255,255,255,.68);
}

button.danger {
  border-color: #ffd3df;
  background: var(--danger-bg);
  color: var(--danger);
}

button.ok {
  border-color: #c7f4dd;
  background: var(--ok-bg);
  color: var(--ok);
}

input, select {
  padding: 0 12px;
}

textarea {
  width: 100%;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 16px 90px;
  overflow-x: hidden;
}

.hero, .panel, .expense-card {
  background: var(--card);
  border: 1px solid rgba(229, 218, 247, .92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  border-radius: 28px;
  padding: 20px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.hero-top {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}

.title {
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.15;
  margin: 0 0 6px;
  color: var(--deep);
}

.subtle {
  color: var(--muted);
  font-size: 13px;
}

.save-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  border-radius: 999px;
  padding: 0 12px;
  background: #f6f0ff;
  color: var(--deep);
  font-size: 13px;
  font-weight: 700;
}

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

.panel {
  margin-top: 14px;
  border-radius: 24px;
  padding: 16px;
  overflow: hidden;
}

.grid {
  display: grid;
  gap: 10px;
}

.summary-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.summary-card {
  border-radius: 18px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(249,246,255,.92));
  border: 1px solid var(--line);
}

.summary-card .label {
  font-size: 12px;
  color: var(--muted);
}

.summary-card .value {
  margin-top: 4px;
  font-size: 18px;
  font-weight: 800;
  color: var(--deep);
}

.controls {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.controls .wide {
  grid-column: span 2;
}

.month-summary-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  max-width: 100%;
}

.month-summary {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.month-summary th,
.month-summary td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

.month-summary th:first-child,
.month-summary td:first-child {
  text-align: left;
}

.expense-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.expense-card {
  border-radius: 22px;
  padding: 12px;
}

.expense-card.deleted {
  opacity: .56;
  background: rgba(255, 235, 243, .72);
}

.expense-card.locked {
  border-style: dashed;
}

.card-main {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  min-width: 0;
}

.detail {
  font-size: 15px;
  font-weight: 750;
  line-height: 1.38;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.amount {
  font-size: 18px;
  font-weight: 900;
  color: var(--deep);
  white-space: nowrap;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.pill {
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 12px;
  background: #f4efff;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.card-actions {
  display: grid;
  grid-template-columns: 92px 88px 1fr;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
  min-width: 0;
}

.tag-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
  min-width: 0;
}

.empty {
  text-align: center;
  padding: 36px 12px;
  color: var(--muted);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  border-radius: 28px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 8px;
  color: var(--deep);
}

.login-form {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.drawer {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(36, 27, 52, .35);
  z-index: 50;
  padding: 18px;
}

.drawer.open {
  display: grid;
  place-items: center;
}

.drawer-panel {
  width: min(720px, 100%);
  max-height: 86vh;
  overflow: auto;
  background: #fff;
  border-radius: 24px;
  padding: 16px;
}

.drawer-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 10px;
  flex-wrap: wrap;
}

.back-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 30;
  box-shadow: var(--shadow);
}

.hide { display: none !important; }

@media (max-width: 760px) {
  .page { padding: 10px 10px 84px; }
  .hero { border-radius: 0 0 24px 24px; margin: -10px -10px 0; }
  .summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls .wide { grid-column: 1 / -1; }
  .panel { padding: 12px; border-radius: 20px; }
  .summary-card { padding: 10px; }
  .summary-card .value { font-size: 16px; }
  .card-actions { grid-template-columns: 88px 84px 1fr; }
  .tag-row { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-actions { grid-template-columns: 1fr 1fr; }
  .card-actions .tag-input { grid-column: 1 / -1; }
}