:root {
  color-scheme: light;
  --bg: #fff7fb;
  --panel: #ffffff;
  --panel-soft: #f7eaff;
  --ink: #2e2a38;
  --muted: #6e6878;
  --line: #e8dff0;
  --accent: #ff78a5;
  --accent-strong: #d94b80;
  --mint: #dff7ee;
  --sky: #e4f2ff;
  --lavender: #f1e8ff;
  --shadow: 0 18px 42px rgba(111, 77, 128, 0.13);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 197, 219, 0.55), transparent 30rem),
    radial-gradient(circle at top right, rgba(196, 231, 255, 0.55), transparent 28rem),
    linear-gradient(180deg, #fff7fb 0%, #f5fbff 100%);
  color: var(--ink);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1080px, 100%);
  height: 100dvh;
  margin: 0 auto;
  padding: 0.8rem;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 0.7rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 4.4rem;
}

.app-header h1,
.screen-head h2,
.login-dialog h2 {
  margin: 0;
  letter-spacing: 0;
}

.app-header h1 {
  font-size: clamp(1.45rem, 4vw, 2.4rem);
}

.eyebrow {
  margin: 0 0 0.2rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.screen-frame {
  min-height: 0;
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(232, 223, 240, 0.95);
  border-top: 5px solid var(--accent);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 0.8rem;
  padding: 1rem;
  min-height: 0;
}

.screen.active {
  display: grid;
}

.screen[data-screen="today"] {
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
}

.screen-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.screen-head h2 {
  font-size: clamp(1.1rem, 3.6vw, 1.55rem);
}

.date-pill {
  flex: 0 0 auto;
  padding: 0.42rem 0.65rem;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 800;
  white-space: nowrap;
}

.notice,
.soft-hint,
.point-detail,
.error-message {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.notice {
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffafd;
  font-size: 0.92rem;
}

.today-focus {
  align-self: center;
  min-height: 11rem;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.45rem;
  padding: 1.2rem;
  border: 1px solid rgba(232, 223, 240, 0.95);
  border-radius: 8px;
  background:
    radial-gradient(circle at 18% 22%, rgba(223, 247, 238, 0.95), transparent 9rem),
    linear-gradient(135deg, #fff0f7, #f1e8ff 62%, #e4f2ff);
  text-align: center;
}

.today-focus span {
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 900;
}

.today-focus strong {
  font-size: clamp(2rem, 8vw, 4.4rem);
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0;
}

.today-focus p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.92rem, 2.5vw, 1.05rem);
  line-height: 1.45;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.mini-stats div {
  min-height: 3.6rem;
  padding: 0.55rem 0.62rem;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff0f7, #ffffff);
  border: 1px solid var(--line);
}

.mini-stats div:nth-child(2) {
  background: linear-gradient(180deg, var(--sky), #ffffff);
}

.mini-stats div:nth-child(3) {
  background: linear-gradient(180deg, var(--mint), #ffffff);
}

.mini-stats span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.mini-stats strong {
  display: block;
  margin-top: 0.22rem;
  font-size: clamp(0.78rem, 2.4vw, 0.95rem);
  overflow-wrap: anywhere;
}

.weight-form {
  display: grid;
  gap: 0.72rem;
  align-self: end;
}

.weight-form label,
.login-dialog label {
  display: grid;
  gap: 0.32rem;
  color: var(--muted);
  font-weight: 800;
  min-width: 0;
}

.weight-form input,
.weight-form textarea,
.login-dialog input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefd;
  color: var(--ink);
  padding: 0.72rem;
  outline: none;
}

.weight-form textarea {
  resize: none;
}

.weight-form input:focus,
.weight-form textarea:focus,
.login-dialog input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 120, 165, 0.16);
}

.primary-button,
.secondary-button,
.ghost-button,
.range-button,
.record-action,
.nav-button {
  min-height: 2.55rem;
  border-radius: 8px;
  padding: 0 0.85rem;
  font-weight: 800;
}

.primary-button {
  border: 0;
  background: var(--accent);
  color: #fff;
}

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

.secondary-button {
  border: 0;
  background: var(--mint);
  color: #245846;
}

.ghost-button,
.range-button,
.record-action,
.nav-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.top-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  padding: 0.36rem;
  border: 1px solid rgba(232, 223, 240, 0.95);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: 0 10px 28px rgba(111, 77, 128, 0.08);
}

.range-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.45rem;
}

.range-button.active,
.nav-button.active {
  background: linear-gradient(135deg, #ff78a5, #a98bff);
  border-color: transparent;
  color: #fff;
}

.chart-wrap {
  position: relative;
  min-height: 0;
}

.point-detail {
  min-height: 2.6rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffafd;
  font-size: 0.92rem;
}

.records-list {
  min-height: 0;
  display: grid;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.record-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.68rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefd;
  min-height: 0;
}

.record-main {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.record-date {
  font-weight: 900;
}

.record-weight {
  font-weight: 900;
  white-space: nowrap;
}

.record-note {
  margin: 0.18rem 0 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-delta {
  color: var(--accent-strong);
  font-weight: 800;
}

.record-actions {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.admin .record-actions {
  display: grid;
}

.pager,
.dialog-actions {
  display: grid;
  gap: 0.55rem;
}

.pager {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nav-button {
  min-height: 2.55rem;
}

.backfill-form {
  align-self: center;
  width: 100%;
  min-width: 0;
}

.login-dialog {
  width: min(92vw, 24rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 1.1rem;
}

.login-dialog::backdrop {
  background: rgba(45, 39, 36, 0.35);
}

.login-dialog form {
  display: grid;
  gap: 0.8rem;
}

.dialog-actions {
  grid-template-columns: 1fr 1fr;
}

.error-message {
  color: var(--accent-strong);
  font-weight: 800;
}

.is-disabled {
  opacity: 0.65;
}

.hidden-for-viewer {
  display: none;
}

@media (min-width: 760px) {
  .app-shell {
    padding: 1rem;
  }

  .screen {
    padding: 1.2rem;
  }

  .weight-form {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .backfill-form {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 0.75fr) minmax(0, 1.2fr);
  }

  .backfill-form .soft-hint,
  .backfill-form button {
    grid-column: 1 / -1;
  }

  .records-list {
    grid-template-rows: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 0.65rem;
    gap: 0.55rem;
  }

  .app-header {
    min-height: 3.5rem;
  }

  .app-header h1 {
    font-size: 1.35rem;
  }

  .app-header .ghost-button {
    min-height: 2.2rem;
    padding: 0 0.6rem;
    font-size: 0.82rem;
  }

  .screen {
    padding: 0.72rem;
    gap: 0.58rem;
  }

  .mini-stats {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .mini-stats div {
    min-height: 3.4rem;
    padding: 0.52rem 0.62rem;
  }

  .range-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .record-item {
    grid-template-columns: 1fr;
    padding: 0.55rem;
  }

  .admin .record-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .records-list {
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .nav-button {
    min-height: 2.35rem;
    padding: 0 0.35rem;
  }
}

@media (max-height: 720px) {
  .notice {
    display: none;
  }

  .mini-stats div {
    min-height: 3.2rem;
  }

  .weight-form input,
  .weight-form textarea,
  .login-dialog input {
    padding: 0.55rem;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .range-button,
  .record-action,
  .nav-button {
    min-height: 2.25rem;
  }
}