/* Design tokeny převzaté z administrace Check-inu (components/admin/settings/tokens.ts). */
:root {
  --bg: #f6f6f7;
  --card: #ffffff;
  --border: #ececec;
  --border-strong: #d9d9d9;

  --text: #111418;
  --text2: #5b6470;
  --text3: #9aa1ab;

  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --accent-text: #3730a3;

  --ok: #16a34a;
  --ok-text: #15803d;
  --ok-soft: #dcfce7;

  --warn: #d97706;
  --warn-text: #92400e;
  --warn-soft: #fef3c7;

  --danger: #dc2626;
  --danger-text: #991b1b;
  --danger-soft: #fee2e2;

  --off-bg: #f3f4f6;
  --off-fg: #6b7280;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* ─────────────────────────── Hlavička ─────────────────────────── */

.page-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px 18px;
}
.page-header .inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.page-header h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
}
.page-header p {
  font-size: 13px;
  color: var(--text2);
  margin: 4px 0 0;
}

.body {
  padding: 24px 32px 80px;
}
.body .inner {
  max-width: 980px;
  margin: 0 auto;
}

.section-label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 28px 0 12px;
}
.section-label:first-child { margin-top: 0; }

/* ─────────────────────────── Karta ─────────────────────────── */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color .15s, box-shadow .15s;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
/* Zavřené karty se dorovnají na stejnou výšku, ať jsou tlačítka v jedné linii.
   Jakmile je některá rozbalená, ostatní se natahovat nemají. */
.cards.has-open { align-items: start; }

/* Karta je sloupec, aby tlačítka zůstala zarovnaná i při různě dlouhé nápovědě. */
.task-card {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
}
.task-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.14);
}
.task-card.is-warning { border-color: rgba(217, 119, 6, 0.35); }

.task-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.task-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--accent-soft);
  color: var(--accent-text);
}
.task-card.is-warning .task-icon {
  background: var(--warn-soft);
  color: var(--warn-text);
}
.task-title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 3px;
}
.task-reason {
  font-size: 12.5px;
  color: var(--text2);
  margin: 0;
  line-height: 1.45;
}
.task-help {
  font-size: 12px;
  color: var(--text3);
  line-height: 1.5;
  margin: 12px 0 0;
}
.task-actions {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Pruh zbývajících dní. Vizuálně napoví, jak blízko je termín. */
.meter {
  margin-top: 12px;
  height: 4px;
  border-radius: 99px;
  background: var(--off-bg);
  overflow: hidden;
}
.meter span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--ok);
  transition: width .3s;
}
.task-card.is-warning .meter span { background: var(--warn); }

/* ─────────────────────────── Doporučené dávkování ─────────────────────────── */

.advice { padding: 18px 20px; margin-bottom: 24px; }
.advice-warn { border-color: rgba(217, 119, 6, 0.35); }

.advice-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.advice-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.advice-icon.is-ok { background: var(--ok-soft); color: var(--ok-text); }
.advice-icon.is-warn { background: var(--warn-soft); color: var(--warn-text); }

.advice-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 3px;
}
.advice-sub {
  font-size: 12.5px;
  color: var(--text2);
  margin: 0;
}

.advice-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.advice-step {
  display: flex;
  gap: 12px;
  padding: 13px 14px;
  background: var(--bg);
  border-radius: 10px;
}
.advice-step-num {
  width: 22px;
  height: 22px;
  border-radius: 99px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.advice-step-body { flex: 1; min-width: 0; }
.advice-step-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.advice-step-title { font-size: 13.5px; font-weight: 700; }
.advice-amount {
  font-size: 12.5px;
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 6px;
  white-space: nowrap;
}
.advice-amount b { font-family: var(--mono); font-size: 12.5px; }
.advice-step-detail {
  font-size: 12.5px;
  color: var(--text2);
  line-height: 1.55;
  margin: 0;
}

.advice-footer {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 11.5px;
  color: var(--text3);
  line-height: 1.5;
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--border);
}
.advice-footer svg { flex-shrink: 0; margin-top: 2px; }

/* ─────────────────────────── Pill ─────────────────────────── */

.pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.pill-ok { background: var(--ok-soft); color: var(--ok-text); }
.pill-warn { background: var(--warn-soft); color: var(--warn-text); }
.pill-off { background: var(--off-bg); color: var(--off-fg); }
.pill-danger { background: var(--danger-soft); color: var(--danger-text); }
.pill-accent { background: var(--accent-soft); color: var(--accent-text); }

/* ─────────────────────────── Formulář ─────────────────────────── */

.task-form {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 12px;
}
.task-form[hidden] { display: none; }

/* Alkalita a chlor vedle sebe, obě jsou nepovinné a krátké. */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field-row .field { margin-bottom: 0; }

/* Číslo a jednotka vedle sebe. Select musí mít stejnou výšku i písmo jako input. */
.input-with-unit {
  display: flex;
  gap: 8px;
}
.input-with-unit input { flex: 1; min-width: 0; }
.input-with-unit select {
  width: auto;
  flex-shrink: 0;
  font-family: var(--mono);
  cursor: pointer;
}

.field-hint {
  font-size: 11.5px;
  color: var(--text3);
  line-height: 1.45;
  margin: 6px 0 0;
}

.field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

input[type='text'],
input[type='number'],
input[type='password'],
input[type='datetime-local'],
select {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  background: var(--card);
  color: var(--text);
  transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
input.mono { font-family: var(--mono); font-size: 12.5px; }

.ph-hint {
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.ph-hint.is-ok { color: var(--ok-text); }
.ph-hint.is-off { color: var(--warn-text); }

/* ─────────────────────────── Počkejte s měřením ─────────────────────────── */

.settle-warning {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  background: var(--warn-soft);
  border: 1px solid rgba(217, 119, 6, 0.3);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--warn-text);
}
.settle-warning svg { flex-shrink: 0; margin-top: 1px; }
.settle-warning strong { font-size: 13px; display: block; }
.settle-warning p {
  font-size: 12px;
  line-height: 1.5;
  margin: 5px 0 0;
  opacity: 0.9;
}

/* ─────────────────────────── Čtení proužku z fotky ─────────────────────────── */

.scan {
  padding: 14px;
  background: var(--accent-soft);
  border-radius: 10px;
  border: 1px solid rgba(79, 70, 229, 0.18);
}
.scan-hint {
  font-size: 11.5px;
  color: var(--accent-text);
  line-height: 1.5;
  margin: 9px 0 0;
  opacity: 0.85;
}

.btn.is-loading svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.scan-result { margin-top: 12px; }
.scan-result-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ok-text);
  margin: 0 0 8px;
}

.scan-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.scan-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--card);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12.5px;
}
.scan-param { font-weight: 700; min-width: 58px; }
.scan-value { font-family: var(--mono); font-weight: 700; }
.scan-why {
  color: var(--text2);
  font-size: 11.5px;
  flex-basis: 100%;
  line-height: 1.45;
}

.scan-problem {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 12px;
  color: var(--warn-text);
  background: var(--warn-soft);
  border-radius: 8px;
  padding: 9px 11px;
  line-height: 1.5;
  margin: 10px 0 0;
}
.scan-problem svg { flex-shrink: 0; margin-top: 1px; }

/* ─────────────────────────── Tlačítka ─────────────────────────── */

.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: var(--card); color: var(--text); border: 1.5px solid var(--border); }
.btn-danger { background: var(--card); color: var(--danger); border: 1.5px solid var(--danger-soft); }
.btn-icon {
  padding: 4px;
  border-radius: 6px;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  display: inline-flex;
}
.btn-icon:hover { color: var(--danger); background: var(--danger-soft); }

/* ─────────────────────────── Segmented ─────────────────────────── */

.segmented {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 3px;
  gap: 3px;
  flex-wrap: wrap;
}
.segmented button {
  padding: 6px 14px;
  border-radius: 6px;
  border: none;
  font-size: 12.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  background: transparent;
  color: var(--text2);
}
.segmented button[aria-selected='true'] {
  background: var(--card);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* ─────────────────────────── Historie ─────────────────────────── */

.history { padding: 4px 0; }
.history-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.history-row:last-child { border-bottom: none; }
.history-when {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  white-space: nowrap;
}
.history-value { font-weight: 700; }
.history-extra {
  font-size: 12px;
  color: var(--text2);
  background: var(--off-bg);
  padding: 1px 7px;
  border-radius: 5px;
  white-space: nowrap;
}
.history-note {
  color: var(--text2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-row .spacer { margin-left: auto; }

/* ─────────────────────────── Referenční tabulka ─────────────────────────── */

.ref-row {
  display: flex;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
  align-items: baseline;
}
.ref-row:last-child { border-bottom: none; }
.ref-product { font-weight: 700; min-width: 150px; }
.ref-dose {
  font-family: var(--mono);
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}
.ref-note { color: var(--text2); line-height: 1.5; }

/* ─────────────────────────── Prázdný stav a toast ─────────────────────────── */

.empty {
  padding: 32px 18px;
  text-align: center;
  color: var(--text2);
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-in .22s cubic-bezier(.4, 0, .2, 1);
  z-index: 50;
}
.toast.is-error { background: var(--danger); }
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ─────────────────────────── Přihlášení ─────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.login-box {
  width: 100%;
  max-width: 380px;
}
.login-box .field { margin-bottom: 16px; }

/* ─────────────────────────── Mobil ─────────────────────────── */

/* iOS Safari přiblíží celou stránku, když má zaostřené pole písmo menší než 16px,
   a zpátky se už neoddálí. Stejné řešení jako v administraci Check-inu. */
@media (max-width: 768px) {
  input, textarea, select {
    font-size: 16px !important;
  }
}

@media (max-width: 640px) {
  .page-header { padding: 16px 16px 14px; }
  .page-header h1 { font-size: 19px; }
  .body { padding: 18px 16px 60px; }
  .cards { grid-template-columns: 1fr; }
  .history-row { flex-wrap: wrap; gap: 6px 10px; }
  .ref-row { flex-direction: column; gap: 6px; }
  .ref-product { min-width: 0; }
}