/* Mereo — design system */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --accent-soft: rgba(42, 120, 214, 0.10);
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --shadow: 0 1px 2px rgba(11,11,11,.05), 0 8px 24px -12px rgba(11,11,11,.12);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #242423;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --border: rgba(255,255,255,.10);
    --accent: #3987e5; --accent-soft: rgba(57,135,229,.16);
    --good-text: #0ca30c;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #242423;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --border: rgba(255,255,255,.10);
  --accent: #3987e5; --accent-soft: rgba(57,135,229,.16);
  --good-text: #0ca30c;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 15px/1.55 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "cv05", "cv11";
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: 26px; font-weight: 700; margin: 0 0 4px; }
h2 { font-size: 18px; font-weight: 650; margin: 0 0 12px; }
.sub { color: var(--ink-2); font-size: 14px; margin: 0 0 20px; }

/* ---------- app shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex: none; padding: 20px 14px; display: flex; flex-direction: column;
  gap: 2px; border-right: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 750; font-size: 19px; letter-spacing: -0.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); display: grid; place-items: center; color: #fff; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px;
  color: var(--ink-2); font-weight: 500; font-size: 14px;
}
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav svg { width: 18px; height: 18px; flex: none; }
.sidebar .spacer { flex: 1; }
.userbox { border-top: 1px solid var(--border); padding-top: 12px; font-size: 13px; }
.userbox .name { font-weight: 600; }
.userbox .mail { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; }

.main { flex: 1; min-width: 0; padding: 26px 32px 60px; max-width: 1240px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }

/* ---------- components ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px;
  border-radius: 10px; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font: 600 14px/1 "Inter", system-ui, sans-serif; cursor: pointer;
  transition: filter .12s, transform .05s;
}
.btn:hover { filter: brightness(0.97); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--accent); }
.btn.sm { padding: 6px 11px; font-size: 13px; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], select, textarea {
  width: 100%; max-width: 100%; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--grid);
  background: var(--page); color: var(--ink); font: 14px "Inter", system-ui, sans-serif;
}
/* iOS Safari si u date inputu vynucuje vlastní šířku — vypnout nativní vzhled */
input[type=date] {
  -webkit-appearance: none; appearance: none; min-width: 0; min-height: 40px;
  box-sizing: border-box;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 130px; max-width: 100%; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--grid); }
.tbl td { padding: 10px; border-bottom: 1px solid var(--grid); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--ink-2); }
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.badge.online { background: rgba(12,163,12,.12); color: var(--good-text); }
.badge.online .dot { background: var(--good); }
.badge.offline { background: rgba(208,59,59,.12); color: var(--critical); }
.badge.offline .dot { background: var(--critical); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }

.flash { padding: 11px 16px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; font-weight: 500; border: 1px solid; overflow-wrap: anywhere; }
.flash.ok { background: rgba(12,163,12,.10); color: var(--good-text); border-color: rgba(12,163,12,.3); }
.flash.error { background: rgba(208,59,59,.10); color: var(--critical); border-color: rgba(208,59,59,.3); }

.stat { padding: 14px 16px; border-radius: 12px; background: var(--surface-2); }
.stat .v { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.stat .v small { font-size: 14px; font-weight: 600; color: var(--ink-2); margin-left: 2px; }
.stat .l { font-size: 12px; color: var(--muted); font-weight: 600; }
.stat .t { font-size: 11px; color: var(--muted); }

.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 14px; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; overflow-wrap: anywhere; }

.events { list-style: none; margin: 0; padding: 0; }
.events li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--grid); font-size: 14px; }
.events li:last-child { border-bottom: 0; }
.events .ico { width: 30px; height: 30px; flex: none; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.events .ico.warn { background: rgba(208,59,59,.12); color: var(--critical); }
.events .ico.good { background: rgba(12,163,12,.12); color: var(--good-text); }
.events time { color: var(--muted); font-size: 12px; }

/* chart */
.chart-wrap { position: relative; }
.chart-tip {
  position: absolute; pointer-events: none; display: none; z-index: 5;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); padding: 8px 12px; font-size: 13px; white-space: nowrap;
}
.chart-tip b { font-variant-numeric: tabular-nums; }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; font: 600 13px "Inter", system-ui, sans-serif; color: var(--ink-2); cursor: pointer; }
.seg button.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }

/* wizard */
.steps { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
.steps .st { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.steps .st .n { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); font-size: 12px; }
.steps .st.active { color: var(--accent); }
.steps .st.active .n { background: var(--accent); color: #fff; }
.steps .sep { color: var(--grid); align-self: center; }

.pulse { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); position: relative; margin: 0 auto 10px; }
.pulse::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; animation: pulse 1.6s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.7); opacity: .7; } 100% { transform: scale(1.15); opacity: 0; } }

.photo-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.photo-grid img { width: 120px; height: 90px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }

/* ---------- auth & landing ---------- */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card .brand { justify-content: center; padding-bottom: 8px; }

.land { max-width: 1080px; margin: 0 auto; padding: 0 20px 80px; }
.land-nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.hero { text-align: center; padding: 72px 0 48px; }
.hero h1 { font-size: clamp(32px, 6vw, 54px); font-weight: 800; letter-spacing: -0.035em; margin: 0 0 16px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { font-size: 18px; color: var(--ink-2); max-width: 620px; margin: 0 auto 28px; }
.feat { text-align: left; }
.feat .ico { width: 40px; height: 40px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 12px; }
.feat h3 { font-size: 16px; margin: 0 0 6px; }
.feat p { font-size: 14px; color: var(--ink-2); margin: 0; }
.price { text-align: center; }
.price .amount { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; }
.price .amount small { font-size: 15px; color: var(--muted); font-weight: 600; }

.theme-btn { border: 0; background: transparent; cursor: pointer; color: var(--muted); padding: 6px; border-radius: 8px; }
.theme-btn:hover { background: var(--surface-2); }

.tbl-wrap { overflow-x: auto; margin: 0 -4px; padding: 0 4px; }

/* rozbalovací tabulka zařízení */
.dev-row { cursor: pointer; }
.dev-row:hover td { background: var(--surface-2); }
.dev-row td { transition: background .1s; }
.dev-row .chev svg { transition: transform .15s; color: var(--muted); display: block; }
.dev-row.open .chev svg { transform: rotate(90deg); }
.dev-row.open td { border-bottom: 0; }
.dev-detail td { background: color-mix(in srgb, var(--surface-2) 55%, var(--surface)); }
.only-m { display: none; }
.user-actions { display: flex; gap: 6px; margin-top: 8px; align-items: center; }

@media (max-width: 820px) {
  .shell { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto; position: static;
    display: grid; grid-template-columns: 1fr auto; align-items: center;
    gap: 6px 10px; padding: 10px 14px;
  }
  .brand { padding: 0; font-size: 17px; }
  .brand .logo { width: 26px; height: 26px; }
  .userbox { border: 0; padding: 0; grid-column: 2; grid-row: 1; justify-self: end; }
  .userbox .name, .userbox .mail { display: none; }
  .user-actions { margin-top: 0; }
  .nav {
    grid-column: 1 / -1; display: flex; flex-wrap: nowrap; gap: 4px;
    overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    margin: 0 -14px; padding: 0 14px;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: none; white-space: nowrap; padding: 7px 11px; }
  .sidebar .spacer { display: none; }
  .main { padding: 18px 16px 50px; }
  h1 { font-size: 22px; }
  .topbar { margin-bottom: 16px; }
  .card { padding: 16px; }
  .kv { grid-template-columns: 105px 1fr; }
  .tbl th, .tbl td { padding: 8px 8px; }
  .hide-m { display: none; }
  .only-m { display: inline; }
}