:root {
  --bg: #f3f1eb;
  --bg-elev: #fffcf7;
  --ink: #1c1916;
  --muted: #6b645c;
  --line: #e4ddd4;
  --accent: #2f6f4e;
  --accent-soft: #e3f0e8;
  --warn: #9a4d12;
  --warn-bg: #f8eadc;
  --danger: #9b2335;
  --ok: #2f6f4e;
  --shadow: 0 10px 30px rgba(28, 25, 22, 0.06);
  --radius: 18px;
  --nav-h: 56px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, "Segoe UI", Roboto, sans-serif;
}

body {
  padding-top: calc(var(--nav-h) + var(--safe-t));
  padding-bottom: calc(16px + var(--safe-b));
}

body:has(#pin-screen:not([hidden])) {
  padding-top: 0;
  padding-bottom: 0;
}

a { color: var(--accent); text-decoration: none; }

#pin-screen, #app {
  min-height: 100dvh;
}

#pin-screen:not([hidden]) {
  display: grid;
  place-items: center;
  padding: max(1.5rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.card, .stat, .panel {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.pin-card {
  width: min(420px, 100%);
  padding: 28px 24px;
}

.eyebrow {
  margin: 0 0 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}

h1 { margin: 0 0 8px; font-size: 1.6rem; font-weight: 650; }
.lede { margin: 0 0 20px; color: var(--muted); }

label { display: block; font-weight: 600; margin-bottom: 6px; }

input[type="password"], input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
  background: #fff;
}

button, .chip {
  font: inherit;
  border: 0;
  cursor: pointer;
}

button.primary {
  margin-top: 14px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
}

button.ghost {
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}

button.ghost:disabled {
  opacity: 0.55;
  cursor: wait;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.error { color: var(--danger); margin: 12px 0 0; }

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0 8px;
}

header.top h1 {
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  overflow-wrap: anywhere;
}

header.top h1:empty {
  display: none;
}

@media (max-width: 799px) {
  header.top:not(:has(h1)) {
    display: none;
  }
}

.page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 24px;
}

.banner {
  margin: 8px 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--warn-bg);
  color: var(--warn);
  font-weight: 600;
}

.banner[hidden], [hidden] { display: none !important; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.stat {
  padding: 16px;
}

.stat .k { color: var(--muted); font-size: 0.82rem; }
.stat .v { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.03em; }
.stat .u { color: var(--muted); font-size: 0.9rem; margin-left: 4px; }
.stat .s { color: var(--muted); font-size: 0.82rem; font-weight: 650; margin-top: 4px; min-height: 1.1em; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 650;
}
.pill.off { background: #eeeae4; color: var(--muted); }

.cells {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.cell {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 8px 4px;
  text-align: center;
  font-size: 0.78rem;
  min-width: 0;
}
.cell strong {
  display: block;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

nav.site {
  display: none;
  gap: 8px;
  margin-left: auto;
}

nav.site a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 650;
}

nav.site a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

nav.bottom {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fffcf7ee;
  border-bottom: 1px solid var(--line);
  padding: calc(6px + var(--safe-t)) 8px 8px;
  backdrop-filter: blur(10px);
  z-index: 5;
}

nav.bottom a {
  text-align: center;
  padding: 10px 4px;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.85rem;
  border-radius: 10px;
}

nav.bottom a.active { color: var(--accent); background: var(--accent-soft); }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 16px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 16px;
}

.checks label { font-weight: 500; display: flex; gap: 8px; align-items: center; }

.chart-wrap {
  position: relative;
  height: min(420px, 70dvh);
  padding: 12px;
}

.meta { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }

a.refresh {
  color: #0563c1;
  text-decoration: underline;
}

a.refresh[aria-disabled="true"] {
  pointer-events: none;
  color: #6b8bb8;
}

@media (min-width: 800px) {
  body { padding-top: 0; padding-bottom: 24px; }
  nav.site { display: flex; }
  nav.bottom { display: none; }
  header.top { padding: 22px 0 10px; }
  .cells { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .cell strong { font-size: 0.95rem; }
}