/* Layout: one calm column of cards; summary (score + KPIs) first, AI note, then small-multiple trend charts. */
:root {
  color-scheme: light;
  --plane: #f3f3f0;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #7a7873;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --wash: rgba(11, 11, 11, 0.04);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --accent-track: #cde2fb;
  --s1: #2a78d6; /* categorical slot 1 blue */
  --s2: #eb6834; /* slot 2 orange */
  --s3: #1baf7a; /* slot 3 aqua */
  --s4: #eda100; /* slot 4 yellow */
  --good: #0ca30c;
  --good-ink: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04);

  --font: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", sans-serif;
  --step--1: 0.8125rem;
  --step-0: 0.9375rem;
  --step-1: 1.125rem;
  --step-2: 1.5rem;
  --hero: clamp(3.5rem, 9vw, 4.5rem);
  --radius: 14px;
  --gap: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --plane: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #9a988f;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --wash: rgba(255, 255, 255, 0.06);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --accent-track: #184f95;
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --s4: #c98500;
    --good-ink: #0ca30c;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --plane: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #9a988f;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.1);
  --wash: rgba(255, 255, 255, 0.06);
  --accent: #3987e5;
  --accent-ink: #86b6ef;
  --accent-track: #184f95;
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --s4: #c98500;
  --good-ink: #0ca30c;
  --shadow: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--plane);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.3;
  text-wrap: balance;
}
h2 {
  font-size: var(--step-0);
  font-weight: 600;
}
h3 {
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink-2);
}
p {
  margin: 0;
}
ul {
  margin: 0;
  padding: 0;
}
[hidden] {
  display: none !important;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: var(--step--1);
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Buttons */
button,
.primary,
.ghost {
  font: inherit;
  cursor: pointer;
}
.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 999px;
  padding: 8px 18px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
}
.primary:disabled {
  opacity: 0.5;
  cursor: default;
}
.ghost {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: var(--step--1);
}
.ghost:hover {
  background: var(--wash);
}
.small-btn {
  padding: 4px 12px;
}

/* Page frame */
.page {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: 16px;
  padding-block: 20px 96px;
  display: grid;
  gap: var(--gap);
}
.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand h1 {
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.sub {
  color: var(--ink-2);
  font-size: var(--step--1);
}
.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.menu {
  position: relative;
}
.menu summary {
  list-style: none;
  display: inline-block;
}
.menu summary::-webkit-details-marker {
  display: none;
}
.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  display: grid;
}
.menu-panel form {
  margin: 0;
}
.menu-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: var(--step--1);
}
.menu-item:hover {
  background: var(--wash);
}

.filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.segmented {
  display: inline-flex;
  background: var(--wash);
  border-radius: 999px;
  padding: 3px;
}
.segmented button {
  border: 0;
  background: none;
  color: var(--ink-2);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: var(--step--1);
  font-weight: 600;
}
.segmented button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}
.stamp {
  color: var(--muted);
  font-size: var(--step--1);
}

.notices {
  display: grid;
  gap: 6px;
  font-size: var(--step--1);
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warning);
  border-radius: 10px;
  padding: 10px 14px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.connect {
  display: grid;
  gap: 12px;
  justify-items: start;
  max-width: 640px;
}
.connect p {
  color: var(--ink-2);
}

.dashboard {
  display: grid;
  gap: var(--gap);
  transition: opacity 0.2s;
}
.dashboard.loading {
  opacity: 0.55;
}

.overview {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--gap);
}
.overview.no-score {
  grid-template-columns: minmax(0, 1fr);
}
@media (max-width: 860px) {
  .overview {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Score */
.score-card {
  display: grid;
  gap: 14px;
  align-content: start;
}
.score-main {
  display: flex;
  align-items: center;
  gap: 18px;
}
.hero-number {
  font-size: var(--hero);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}
.score-side {
  display: grid;
  gap: 6px;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--ink);
}
.status::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--status-color, var(--muted));
}
.status[data-level="good"] {
  --status-color: var(--good);
}
.status[data-level="ok"] {
  --status-color: var(--accent);
}
.status[data-level="warning"] {
  --status-color: var(--warning);
}
.status[data-level="serious"] {
  --status-color: var(--serious);
}
.meters {
  list-style: none;
  display: grid;
  gap: 10px;
}
.meter {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr) 2.5em;
  align-items: center;
  gap: 10px;
  font-size: var(--step--1);
}
.meter-label {
  color: var(--ink-2);
}
.meter-track {
  height: 8px;
  border-radius: 999px;
  background: var(--accent-track);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}
.meter-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.meter-detail {
  grid-column: 2 / -1;
  color: var(--muted);
  margin-top: -6px;
}
.notes {
  list-style: none;
  display: grid;
  gap: 4px;
  font-size: var(--step--1);
  color: var(--ink-2);
}
.notes li::before {
  content: "気象 ";
  color: var(--muted);
  font-weight: 600;
}

/* KPI tiles */
.kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  align-content: start;
}
.kpis.one {
  grid-template-columns: minmax(0, 1fr);
}
@media (max-width: 420px) {
  .kpis {
    gap: 10px;
  }
}
.kpi {
  display: grid;
  gap: 4px;
  align-content: start;
}
.kpi-label {
  font-size: var(--step--1);
  color: var(--ink-2);
  font-weight: 600;
}
.kpi-value {
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.2;
}
.kpi-value .unit {
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink-2);
  margin-left: 2px;
}
.kpi-delta {
  font-size: var(--step--1);
  color: var(--ink-2);
}
.kpi-spark {
  display: block;
  width: 100%;
  height: 32px;
  margin-top: 4px;
}

/* Insight */
.insight {
  display: grid;
  gap: 14px;
}
.insight-headline {
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.5;
  max-width: 60ch;
}
.insight-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 720px) {
  .insight-cols {
    grid-template-columns: minmax(0, 1fr);
  }
}
.insight-cols > div {
  display: grid;
  gap: 8px;
  align-content: start;
}
.insight-cols ul {
  display: grid;
  gap: 6px;
  padding-left: 1.2em;
  color: var(--ink);
}
.weather-chip {
  font-size: var(--step--1);
  color: var(--ink-2);
  background: var(--wash);
  border-radius: 999px;
  padding: 3px 10px;
}
.weather-chip:empty {
  display: none;
}

/* Charts */
.charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}
@media (max-width: 860px) {
  .charts {
    grid-template-columns: minmax(0, 1fr);
  }
}
.chart-card {
  display: grid;
  gap: 10px;
  align-content: start;
}
.chart-sub {
  font-size: var(--step--1);
  color: var(--ink-2);
}
.chart-sub strong {
  color: var(--ink);
  font-size: var(--step-1);
}
.legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: var(--step--1);
  color: var(--ink-2);
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}
.chart {
  position: relative;
  width: 100%;
  height: 180px;
  touch-action: pan-y;
}
.chart svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.chart:focus-visible {
  outline-offset: 4px;
  border-radius: 6px;
}
.chart text {
  fill: var(--muted);
  font-size: 11px;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
}
.chart .end-label {
  fill: var(--ink);
  font-weight: 600;
}
.table-wrap {
  overflow-x: auto;
  max-height: 260px;
  overflow-y: auto;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
}
th,
td {
  text-align: right;
  padding: 4px 8px;
  border-bottom: 1px solid var(--grid);
  white-space: nowrap;
}
th:first-child,
td:first-child {
  text-align: left;
}
thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  color: var(--ink-2);
  font-weight: 600;
}

.tooltip {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
  font-size: var(--step--1);
  min-width: 140px;
  display: grid;
  gap: 3px;
}
.tt-date {
  color: var(--ink-2);
  font-weight: 600;
}
.tt-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tt-row b {
  font-variant-numeric: tabular-nums;
}
.tt-row span {
  color: var(--ink-2);
}
.tt-key {
  width: 12px;
  height: 3px;
  border-radius: 2px;
  flex: none;
}

/* Chat */
.chat-fab {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 30;
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--surface);
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.chat {
  position: fixed;
  z-index: 40;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  width: min(420px, calc(100vw - 32px));
  height: min(640px, calc(100dvh - 32px));
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  overflow: hidden;
}
@media (max-width: 560px) {
  .chat {
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}
.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--grid);
}
.chat-log {
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.msg.user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--on-accent);
  border-bottom-right-radius: 4px;
  white-space: pre-wrap;
}
.msg.assistant {
  align-self: flex-start;
  background: var(--wash);
  border-bottom-left-radius: 4px;
  display: grid;
  gap: 8px;
}
.msg.assistant ul,
.msg.assistant ol {
  padding-left: 1.2em;
  display: grid;
  gap: 4px;
}
.msg.error {
  align-self: stretch;
  max-width: none;
  background: none;
  border: 1px solid var(--critical);
  color: var(--ink);
  font-size: var(--step--1);
}
.msg.pending::after {
  content: "考えています…";
  color: var(--muted);
}
.chat-empty {
  color: var(--ink-2);
  font-size: var(--step--1);
}
.chat-suggest {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 0 16px 10px;
}
.chat-suggest button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: var(--step--1);
}
.chat-suggest button:hover {
  background: var(--wash);
  color: var(--ink);
}
.chat-form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 10px 16px;
  border-top: 1px solid var(--grid);
}
.chat-form textarea {
  flex: 1;
  min-width: 0;
  resize: none;
  font: inherit;
  color: var(--ink);
  background: var(--plane);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  max-height: 140px;
}
.chat-foot {
  padding: 0 16px 12px;
}

/* Login */
.login-body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding-inline: 16px;
}
.login {
  width: min(400px, 100%);
  display: grid;
  gap: 14px;
}
.login h1 {
  font-size: var(--step-2);
}
.login-form {
  display: grid;
  gap: 8px;
}
.login-form label {
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink-2);
}
.login-form input {
  font: inherit;
  color: var(--ink);
  background: var(--plane);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.login-form .primary {
  margin-top: 6px;
  padding: 10px 18px;
}
.error {
  color: var(--critical);
}
.login-note {
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}