:root {
  --bg: #0b0b0d;
  --card-bg: #15151a;
  --border: #26262e;
  --text: #f2f2f4;
  --muted: #8d8d97;
  --accent: #4fd1a5;
  --danger: #e2574c;
  --warning: #e0a94f;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
#app { max-width: 480px; margin: 0 auto; padding-bottom: 32px; }

.topbar { position: sticky; top: 0; background: var(--bg); z-index: 10; padding: calc(env(safe-area-inset-top) + 12px) 16px 0; }
.brand { font-size: 13px; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; margin-bottom: 2px; }
.date-row { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.date-row #todayDate { font-size: 17px; font-weight: 600; }
.status-pill { font-size: 12px; padding: 2px 8px; border-radius: 8px; background: #1f1f26; color: var(--muted); }
.status-pill.online { color: var(--accent); }
.status-pill.offline { color: var(--danger); }
.status-pill.loading { color: var(--warning); }
.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.tabs button { background: none; border: none; color: var(--muted); font-size: 14px;
  padding: 10px 12px; border-radius: 8px; white-space: nowrap; min-height: 44px; }
.tabs button.active { color: var(--text); background: var(--card-bg); }

.screen { display: none; padding: 16px; }
.screen.active { display: block; }
.placeholder { color: var(--muted); font-size: 14px; }

.alerts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.alert { padding: 10px 12px; border-radius: 10px; font-size: 13px; border: 1px solid var(--border); }
.alert.warning { border-color: var(--warning); color: var(--warning); }
.alert.critical { border-color: var(--danger); color: var(--danger); }

.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 14px; }
.card.wide { grid-column: 1 / -1; margin-bottom: 10px; }
.card-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.card-value { font-size: 26px; font-weight: 600; }
.card-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

.bar { height: 10px; border-radius: 6px; background: var(--border); overflow: hidden; margin: 8px 0 4px; }
.bar-fill { height: 100%; background: var(--accent); width: 0%; transition: width 0.2s; }

.quick-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.quick-actions button, .card button.primary {
  min-height: 44px; min-width: 44px; padding: 10px 16px; border-radius: 12px;
  border: 1px solid var(--border); background: #1f1f26; color: var(--text); font-size: 14px;
}
.quick-actions button.danger { border-color: var(--danger); color: var(--danger); }
.cigarette-btn { min-height: 56px !important; font-size: 18px; font-weight: 700; flex: 1; }
.card button.primary { width: 100%; background: var(--accent); color: #06231a; border: none; font-weight: 600; margin-top: 8px; }

.cigarette-card { border-color: #3a2a2a; }
.cigarette-main-row { display: flex; align-items: baseline; gap: 10px; margin: 6px 0 10px; }
.cigarette-big-number { font-size: 48px; font-weight: 700; line-height: 1; }
.cigarette-today-label { font-size: 14px; color: var(--muted); }
.cigarette-details { display: flex; flex-direction: column; gap: 4px; margin-bottom: 4px; }
.cigarette-detail-row { font-size: 14px; color: var(--muted); }
.cigarette-stats-row { display: flex; justify-content: space-between; margin-top: 4px; font-size: 13px; }
.cigarette-card.cig-near-limit .cigarette-detail-row:nth-child(2) span { color: var(--warning); font-weight: 600; }
.cigarette-card.cig-at-limit .cigarette-big-number,
.cigarette-card.cig-at-limit .cigarette-detail-row:nth-child(2) span { color: var(--warning); }
.cigarette-card.cig-over-limit .cigarette-big-number,
.cigarette-card.cig-over-limit .cigarette-detail-row:nth-child(2) span { color: var(--danger); }

.prayer-row { display: flex; justify-content: space-between; gap: 6px; }
.prayer-pill { flex: 1; text-align: center; padding: 8px 4px; border-radius: 10px; font-size: 12px;
  background: #1f1f26; color: var(--muted); }
.prayer-pill.done { background: var(--accent); color: #06231a; }

#login-overlay {
  position: fixed; inset: 0; background: var(--bg); z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.login-box { width: 100%; max-width: 320px; padding: 24px; text-align: center; }
.login-box h2 { margin-bottom: 20px; font-weight: 600; }
.login-box input {
  width: 100%; min-height: 44px; padding: 10px 14px; margin-bottom: 12px;
  border-radius: 10px; border: 1px solid var(--border); background: var(--card-bg);
  color: var(--text); font-size: 16px;
}
.login-box button { width: 100%; }
.login-error { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 18px; }

/* In-DOM modal/toast replacing prompt()/alert() — those are no-ops
   or return null in iOS home-screen (standalone) PWA mode, which
   silently broke the custom-water quick action and backend-error
   visibility there (confirmed defect). */
.toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 16px);
  transform: translateX(-50%); background: var(--card-bg); border: 1px solid var(--border);
  color: var(--text); padding: 12px 18px; border-radius: 12px; font-size: 14px;
  z-index: 200; max-width: 90%; text-align: center; box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 150;
  display: flex; align-items: center; justify-content: center;
}
.modal-box {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; width: 85%; max-width: 320px;
}
.modal-box input {
  width: 100%; min-height: 44px; padding: 10px 14px; margin: 12px 0;
  border-radius: 10px; border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px;
}
.modal-actions { display: flex; gap: 8px; }
.modal-actions button { flex: 1; }