:root {
  --bg: #0f1115;
  --card: #181b22;
  --card2: #1f232c;
  --fg: #e8ecf1;
  --dim: #8b94a3;
  --accent: #7cc5ff;
  --bathroom: #f59e0b;
  --apartment: #34d399;
  --away: #a78bfa;
  --unknown: #6b7280;
  --danger: #f87171;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
}

.dim { color: var(--dim); }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px 64px;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
header h1 { margin: 0; font-size: 24px; }

.now-state {
  display: flex; align-items: center; gap: 8px;
  background: var(--card);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 14px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--dim); }
.dot.bathroom { background: var(--bathroom); }
.dot.apartment { background: var(--apartment); }
.dot.away { background: var(--away); }
.dot.unknown { background: var(--unknown); }
.dot.stale { background: var(--danger); animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }

.buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.wash { margin-bottom: 24px; }
.btn-wash {
  width: 100%;
  background: linear-gradient(180deg, #1a4d6e, #143a55);
  color: #cfe8ff;
  border: 1px solid #2a6a96;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.05s, background 0.15s;
}
.btn-wash:hover { background: linear-gradient(180deg, #1f5a80, #174363); }
.btn-wash:active { transform: scale(0.98); }
.btn-wash.flash { background: linear-gradient(180deg, #2a8055, #1f6342); border-color: #3aa06f; }

.wash-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 6px; padding: 0 4px;
  font-size: 12px;
}
.wash-meta .link-btn {
  background: transparent; border: none; color: var(--accent);
  cursor: pointer; font-size: 12px; padding: 0; font-family: inherit;
}
.wash-meta .link-btn:hover { text-decoration: underline; }

.wash-line { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--card2);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--dim);
}
.wash-line .v { color: var(--fg); font-variant-numeric: tabular-nums; }

.wash-add-row { display: flex; gap: 8px; }
.wash-add-row input { flex: 1; }
.wash-add-row button { padding: 10px 16px; }

.wash-list { list-style: none; padding: 0; margin: 0; max-height: 40vh; overflow-y: auto; }
.wash-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 4px; border-bottom: 1px solid var(--card2); font-size: 14px;
}
.wash-list li:last-child { border-bottom: none; }
.wash-list .when { color: var(--fg); }
.wash-list .ago { color: var(--dim); font-size: 12px; margin-left: 8px; }
.wash-list .del {
  background: transparent; border: none; color: var(--dim); cursor: pointer;
  font-size: 13px; padding: 4px 8px; border-radius: 4px;
}
.wash-list .del:hover { color: var(--danger); background: var(--card2); }
.wash-list .empty { color: var(--dim); font-style: italic; padding: 12px 4px; }
.btn-state {
  background: var(--card);
  border: 2px solid transparent;
  color: var(--fg);
  padding: 22px 8px;
  font-size: 15px;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform 0.05s, border-color 0.15s, background 0.15s;
}
.btn-state span { font-size: 13px; color: var(--dim); }
.btn-state:active { transform: scale(0.97); }
.btn-state[data-state="bathroom"]:hover { border-color: var(--bathroom); }
.btn-state[data-state="apartment"]:hover { border-color: var(--apartment); }
.btn-state[data-state="away"]:hover { border-color: var(--away); }
.btn-state.current { background: var(--card2); }
.btn-state.current[data-state="bathroom"] { border-color: var(--bathroom); }
.btn-state.current[data-state="apartment"] { border-color: var(--apartment); }
.btn-state.current[data-state="away"] { border-color: var(--away); }
.btn-state > * { font-size: 28px; }
.btn-state > span { font-size: 13px; }

.stats { margin-bottom: 24px; }
.stat-block { background: var(--card); padding: 14px 16px; border-radius: 12px; margin-bottom: 10px; }
.stat-block h2 { margin: 0; font-size: 14px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 8px; }
.stat-nav { display: flex; gap: 4px; align-items: center; }
.stat-nav button {
  background: var(--card2); color: var(--fg); border: none;
  width: 28px; height: 28px; border-radius: 6px;
  font-size: 18px; cursor: pointer; font-family: inherit;
  display: grid; place-items: center; line-height: 1; padding: 0;
}
.stat-nav button:hover:not(:disabled) { background: #2a2f3a; }
.stat-nav button:disabled { opacity: 0.3; cursor: not-allowed; }
.stat-nav .link-btn {
  width: auto; padding: 0 10px; height: 28px;
  font-size: 12px; color: var(--accent); background: transparent;
}
.stat-nav .link-btn:hover:not(:disabled) { background: var(--card2); }
.stat-nav .link-btn:disabled { color: var(--dim); background: transparent; opacity: 0.5; }

.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 80px; align-items: center; gap: 10px; font-size: 14px; }
.bar-track { background: var(--card2); height: 12px; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; transition: width 0.3s; }
.bar-fill.bathroom { background: var(--bathroom); }
.bar-fill.apartment { background: var(--apartment); }
.bar-fill.away { background: var(--away); }
.bar-fill.unknown { background: var(--unknown); }
.unknown-note { margin-top: 8px; font-size: 12px; color: var(--dim); font-style: italic; }
.bar-row .v { color: var(--dim); text-align: right; font-variant-numeric: tabular-nums; }

.log { background: var(--card); padding: 14px 16px; border-radius: 12px; }
.log-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.log-head h2 { margin: 0; font-size: 14px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.06em; }
.log-actions { display: flex; gap: 8px; }
.log-actions button {
  background: var(--card2); color: var(--fg); border: none; cursor: pointer;
  font-size: 13px; padding: 6px 12px; border-radius: 6px; font-family: inherit;
}
.log-actions button:hover { background: #2a2f3a; }
#add-btn { color: var(--accent); font-weight: 500; }

#log-table { width: 100%; border-collapse: collapse; font-size: 14px; }
#log-table th, #log-table td { padding: 8px 6px; text-align: left; border-bottom: 1px solid var(--card2); }
#log-table th { color: var(--dim); font-weight: 500; font-size: 12px; text-transform: uppercase; }
#log-table .actions { text-align: right; white-space: nowrap; }
#log-table .actions button { background: transparent; border: none; color: var(--dim); cursor: pointer; padding: 2px 6px; font-size: 13px; }
#log-table .actions button:hover { color: var(--fg); }
#log-table .actions button.del:hover { color: var(--danger); }
#log-table .pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 500; }
#log-table .pill.bathroom { background: rgba(245,158,11,0.15); color: var(--bathroom); }
#log-table .pill.apartment { background: rgba(52,211,153,0.15); color: var(--apartment); }
#log-table .pill.away { background: rgba(167,139,250,0.15); color: var(--away); }
#log-table .pill.unknown { background: rgba(107,114,128,0.18); color: var(--unknown); }

footer { margin-top: 24px; text-align: center; }
footer a { color: var(--dim); font-size: 13px; text-decoration: none; }
footer a:hover { color: var(--fg); }

dialog.sheet {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--card2);
  border-radius: 14px;
  padding: 0;
  width: min(440px, 92vw);
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
dialog.sheet::backdrop { background: rgba(0,0,0,0.6); backdrop-filter: blur(2px); }
dialog.sheet form { display: flex; flex-direction: column; max-height: 90vh; }

.dialog-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--card2);
  flex-shrink: 0;
}
.dialog-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.icon-btn {
  background: transparent; border: none; color: var(--dim);
  width: 30px; height: 30px; border-radius: 6px;
  cursor: pointer; font-size: 22px; line-height: 1;
  display: grid; place-items: center;
  font-family: inherit;
}
.icon-btn:hover { background: var(--card2); color: var(--fg); }

.dialog-body { padding: 18px; overflow-y: auto; flex: 1; }
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field > label {
  display: block; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--dim); margin-bottom: 8px;
  font-weight: 500;
}
.field input[type="datetime-local"], .field input[type="text"], .field select {
  width: 100%;
  background: var(--card2); color: var(--fg);
  border: 1px solid transparent;
  padding: 11px 12px; border-radius: 8px;
  font-size: 16px; font-family: inherit;
  -webkit-appearance: none; appearance: none;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field-row { display: flex; flex-direction: column; }
.field-row .field { margin-bottom: 16px; }

.seg {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px;
  background: var(--card2); padding: 4px; border-radius: 10px;
}
@media (min-width: 420px) {
  .seg { grid-template-columns: repeat(4, 1fr); }
}
.seg-btn {
  background: transparent; border: none; color: var(--dim);
  padding: 10px 6px; border-radius: 7px; cursor: pointer;
  font-size: 13px; font-family: inherit;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.seg-btn:hover { color: var(--fg); }
.seg-btn.active {
  background: var(--bg); color: var(--fg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
  font-weight: 500;
}
.seg-btn.active[data-val="bathroom"] { color: var(--bathroom); }
.seg-btn.active[data-val="apartment"] { color: var(--apartment); }
.seg-btn.active[data-val="away"] { color: var(--away); }
.seg-btn.active[data-val="unknown"] { color: var(--unknown); }

.dialog-foot {
  display: flex; gap: 8px; justify-content: flex-end;
  padding: 12px 18px;
  border-top: 1px solid var(--card2);
  flex-shrink: 0;
}
.btn-ghost {
  background: transparent; color: var(--fg); border: 1px solid var(--card2);
  padding: 10px 16px; border-radius: 8px; font-size: 14px; cursor: pointer;
  font-family: inherit;
}
.btn-ghost:hover { background: var(--card2); }
.btn-primary {
  background: var(--accent); color: var(--bg); border: none;
  padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; font-family: inherit;
}
.btn-primary:hover { opacity: 0.9; }

@media (max-width: 540px) {
  dialog.sheet {
    width: 100%; max-width: 100%;
    max-height: 92vh;
    margin: auto auto 0;
    border-radius: 18px 18px 0 0;
    border-bottom: none;
  }
  dialog.sheet form { max-height: 92vh; }
  .dialog-body { padding: 16px; }
  .dialog-foot { padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); }
  .btn-ghost, .btn-primary { padding: 12px 18px; font-size: 15px; }
  .seg-btn { padding: 12px 4px; }
}

@media (max-width: 480px) {
  .bar-row { grid-template-columns: 70px 1fr 70px; font-size: 13px; }
  #log-table .actions button { padding: 4px 8px; }
  #log-table th, #log-table td { padding: 8px 4px; }
}