/* =============================================================
   SÚKL přehled — unified styles (loaded by every page)
   Design tokens, layout primitives, components.
   Edit here, every page changes.
   ============================================================= */

/* ---------- Design tokens (themes) ---------- */
:root, [data-theme="dark"] {
  --bg:#0d1117;
  --panel:#161b22;
  --panel-hover:#1c2129;
  --row-hover:rgba(47,129,247,0.07);
  --border:#30363d;
  --text:#c9d1d9;
  --muted:#8b949e;
  --accent:#2f81f7;
  --warn:#f0883e;
  --ok:#3fb950;
  --bad:#ef5350;
  --empty:#444;
  --shadow:0 1px 2px rgba(0,0,0,0.35);
}
[data-theme="light"] {
  --bg:#ffffff;
  --panel:#f6f8fa;
  --panel-hover:#eef2f6;
  --row-hover:rgba(9,105,218,0.08);
  --border:#d0d7de;
  --text:#1f2328;
  --muted:#59636e;
  --accent:#0969da;
  --warn:#bc4c00;
  --ok:#1a7f37;
  --bad:#cf222e;
  --empty:#c7ccd1;
  --shadow:0 1px 2px rgba(0,0,0,0.06);
}

/* ---------- Reset / base ---------- */
* { box-sizing:border-box; }
html, body {
  margin:0;
  min-height:100%;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size:13px;
  line-height:1.45;
}
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }

/* ---------- Header + nav ---------- */
header {
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  background:var(--bg);
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  position:sticky; top:0; z-index:10;
}
header .title { flex:1; min-width:0; }
header h1 { margin:0 0 4px; font-size:17px; }
header .sub { color:var(--muted); font-size:12px; }
.theme-toggle {
  background:transparent; color:var(--text);
  border:1px solid var(--border); border-radius:999px;
  padding:5px 12px; cursor:pointer; font-size:12px;
  white-space:nowrap;
}
.theme-toggle:hover { border-color:var(--accent); }

/* ---------- Mega-menu navigation ---------- */
.nav {
  display:flex; gap:4px; margin-bottom:8px; flex-wrap:wrap;
  align-items:stretch;
}
.nav-item, .nav-trigger {
  display:inline-flex; align-items:center; gap:6px;
  text-decoration:none;
  padding:7px 14px;
  border:1px solid var(--border);
  border-radius:8px;
  background:transparent; color:var(--muted);
  font-size:12px; font-weight:600; letter-spacing:0.04em;
  font-family:inherit; cursor:pointer;
  white-space:nowrap;
  transition: border-color .12s, color .12s, background .12s, transform .08s;
}
.nav-item .icon, .nav-trigger .icon { font-size:14px; line-height:1; }
.nav-item .caret, .nav-trigger .caret {
  font-size:10px; opacity:.55; margin-left:2px;
  transition: transform .15s;
}
.nav-item:hover, .nav-trigger:hover {
  color:var(--text); border-color:var(--accent); text-decoration:none;
  transform:translateY(-1px);
}
.nav-item.active, .nav-trigger.has-active {
  background:var(--accent); color:white; border-color:var(--accent);
}
.nav-trigger.open { border-color:var(--accent); color:var(--text); }
.nav-trigger.open .caret { transform: rotate(180deg); }

.nav-group { position:relative; }
.nav-panel {
  position:absolute;
  top: calc(100% + 8px); left: 0;
  min-width: 320px; max-width: 480px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:10px;
  box-shadow:0 8px 24px rgba(0,0,0,0.35);
  padding:8px;
  z-index:50;
  display:none;
  opacity:0;
  transform: translateY(-6px);
  transition: opacity .14s ease, transform .14s ease;
}
.nav-panel.open {
  display:block;
  opacity:1;
  transform: translateY(0);
}
.nav-panel::before {
  content:''; position:absolute; top:-6px; left:24px;
  width:10px; height:10px; background:var(--panel);
  border-left:1px solid var(--border);
  border-top:1px solid var(--border);
  transform: rotate(45deg);
}
.nav-link {
  display:flex; gap:10px; align-items:flex-start;
  padding:9px 12px;
  border-radius:6px;
  color:var(--text); text-decoration:none;
  transition: background .1s;
}
.nav-link:hover { background:var(--panel-hover); text-decoration:none; }
.nav-link.active { background:var(--accent); color:white; }
.nav-link.active .nav-link-desc { color:rgba(255,255,255,0.85); }
.nav-link-ico {
  font-size:18px; line-height:1.1; flex-shrink:0; padding-top:1px;
}
.nav-link-text { display:flex; flex-direction:column; gap:2px; min-width:0; }
.nav-link-name { font-weight:600; font-size:13px; }
.nav-link-desc { color:var(--muted); font-size:11px; line-height:1.35; }

/* Legacy <a> support (for any unconverted nav) */
.nav > a:not(.nav-item) {
  text-decoration:none; padding:7px 14px;
  border:1px solid var(--border); border-radius:6px;
  color:var(--muted); font-size:12px; font-weight:600; letter-spacing:0.04em;
  white-space:nowrap;
}
.nav > a:not(.nav-item):hover { color:var(--text); border-color:var(--accent); text-decoration:none; }
.nav > a.active:not(.nav-item) { background:var(--accent); color:white; border-color:var(--accent); }

/* ---------- Filter panel ---------- */
.panel {
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  background:var(--panel);
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(170px, 1fr));
  gap:12px;
  align-items:end;
}
.panel.flex { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.field { display:flex; flex-direction:column; gap:4px; min-width:0; }
.field label {
  font-size:11px; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.04em;
}
.field input, .field select, .field textarea {
  background:var(--bg); color:var(--text);
  border:1px solid var(--border); border-radius:4px;
  padding:6px 8px; font-size:13px;
  font-family:inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline:none; border-color:var(--accent);
}
.field.check { flex-direction:row; align-items:center; gap:6px; }
.field.check input { width:auto; }

/* ---------- Buttons ---------- */
button, .btn {
  background:var(--accent); color:white;
  border:0; border-radius:4px;
  padding:7px 14px; cursor:pointer;
  font-size:13px; font-family:inherit;
}
button:hover, .btn:hover { filter:brightness(1.08); }
button.secondary, .btn.secondary {
  background:transparent; color:var(--text); border:1px solid var(--border);
}
button.secondary:hover, .btn.secondary:hover { border-color:var(--accent); color:var(--text); }
button.danger, .btn.danger {
  background:transparent; color:var(--warn); border:1px solid var(--warn);
}
button:disabled, .btn:disabled { opacity:.5; cursor:not-allowed; }

/* ---------- Layout: main / sections ---------- */
main { padding:18px 22px; max-width:1500px; margin:0 auto; }
section { margin-bottom:30px; }
section h2 {
  font-size:14px; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.06em;
  margin:0 0 12px; font-weight:600;
  display:flex; align-items:center; gap:10px;
}
section h2 .count {
  background:var(--panel); border:1px solid var(--border);
  border-radius:10px; padding:2px 10px;
  font-size:11px; font-weight:600; color:var(--text);
}

/* ---------- Card / panel-like surfaces ---------- */
.card {
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

/* ---------- Tables ---------- */
table { width:100%; border-collapse:collapse; font-variant-numeric:tabular-nums; }
th, td {
  padding:8px 14px;
  border-bottom:1px solid var(--border);
  text-align:right;
}
th:first-child, td:first-child { text-align:left; }
th:nth-child(2), td:nth-child(2) { text-align:left; }
th:nth-child(3), td:nth-child(3) { text-align:left; }
th {
  background:var(--panel-hover);
  font-size:11px; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.04em;
  font-weight:600;
  cursor:pointer; user-select:none; white-space:nowrap;
}
th:hover { color:var(--text); }
th .sort-arrow { display:inline-block; margin-left:4px; opacity:0.35; font-size:10px; }
th.sorted .sort-arrow { opacity:1; color:var(--accent); }
tbody tr:hover { background:var(--row-hover); }
tr.totals td { font-weight:600; background:var(--panel-hover); }

/* ---------- Value semantics ---------- */
.pos { color:var(--ok); font-weight:600; }
.neg { color:var(--bad); font-weight:600; }
.muted { color:var(--muted); }
.sukl { color:var(--muted); font-size:11px; }
.reason { color:var(--muted); font-size:12px; font-style:italic; }
.status { color:var(--muted); font-size:12px; }

/* ---------- Empty / loading states ---------- */
.empty {
  padding:30px;
  text-align:center;
  color:var(--muted);
}
.loader { padding:24px; text-align:center; color:var(--muted); font-size:12px; }

/* ---------- Pills (status tags) ---------- */
.pill {
  display:inline-block;
  padding:2px 7px; border-radius:10px;
  font-size:11px; font-weight:600;
  margin-right:6px;
}
.pill.ukonceni  { background:rgba(239,83,80,0.16); color:var(--bad); }
.pill.preruseni { background:rgba(240,136,62,0.16); color:var(--warn); }
.pill.obnoveni  { background:rgba(63,185,80,0.16);  color:var(--ok); }
.pill.zahajeni  { background:rgba(63,185,80,0.16);  color:var(--ok); }
.pill.pi        { background:rgba(47,129,247,0.16); color:var(--accent); }
.pill.pd        { background:rgba(63,185,80,0.16);  color:var(--ok); }
.pill.vysoké    { background:rgba(239,83,80,0.16); color:var(--bad); }
.pill.střední   { background:rgba(240,136,62,0.16); color:var(--warn); }
.pill.nízké     { background:rgba(63,185,80,0.16); color:var(--ok); }

/* ---------- KPI tiles (grid) ---------- */
.kpi-row {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
  gap:14px;
  margin-bottom:18px;
}
.kpi-tile, .kpi {
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:10px;
  padding:14px 16px;
  box-shadow:var(--shadow);
  transition:border-color .12s, transform .08s;
}
.kpi-tile.click, .kpi.click { cursor:pointer; }
.kpi-tile.click:hover, .kpi.click:hover { border-color:var(--accent); transform:translateY(-1px); }
.kpi-tile.active, .kpi.active {
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(47,129,247,0.18);
}
.kpi-tile .ico { font-size:18px; line-height:1; }
.kpi-tile .ttl, .kpi .lbl {
  color:var(--muted); font-size:11px;
  text-transform:uppercase; letter-spacing:0.05em;
  margin-top:6px;
}
.kpi-tile .val, .kpi .val {
  font-size:26px; font-weight:700;
  margin-top:4px; line-height:1.1;
}
.kpi-tile.accent .val, .kpi.accent .val { color:var(--accent); }
.kpi-tile.bad .val,    .kpi.bad .val    { color:var(--bad); }
.kpi-tile.warn .val,   .kpi.warn .val   { color:var(--warn); }
.kpi-tile.ok .val,     .kpi.ok .val     { color:var(--ok); }
.kpi-tile .sub, .kpi .sub {
  color:var(--muted); font-size:11px;
  margin-top:4px; min-height:14px;
}

/* ---------- Tabs ---------- */
.tabs { display:flex; gap:0; border-bottom:2px solid var(--border); }
.tab {
  padding:9px 18px; border:0;
  background:transparent; color:var(--muted);
  font-size:13px; font-weight:600; letter-spacing:0.04em;
  text-transform:uppercase; cursor:pointer;
  position:relative; margin-bottom:-2px;
}
.tab:hover { color:var(--text); }
.tab.active { color:var(--accent); border-bottom:2px solid var(--accent); }
.tab .badge-num {
  background:var(--bg); color:var(--muted);
  border:1px solid var(--border);
  border-radius:10px; padding:1px 8px;
  font-size:11px; margin-left:6px;
}
.tab.active .badge-num { background:var(--accent); color:white; border-color:var(--accent); }
.tab-panel { display:none; }
.tab-panel.active { display:block; }
.tab-panels { margin-top:14px; }

/* ---------- Period chips ---------- */
.chips { display:flex; gap:4px; flex-wrap:wrap; }
.chip {
  background:var(--bg); color:var(--text);
  border:1px solid var(--border); border-radius:999px;
  padding:3px 10px; font-size:11px; cursor:pointer;
}
.chip:hover { background:var(--panel-hover); border-color:var(--accent); }
.chip.active { background:var(--accent); color:white; border-color:var(--accent); }

/* ---------- Meta badge row (under filter panel) ---------- */
.meta {
  padding:10px 18px;
  color:var(--muted); font-size:12px;
  display:flex; gap:18px; flex-wrap:wrap;
  border-bottom:1px solid var(--border);
  align-items:center;
}
.meta .badge {
  background:var(--bg); border:1px solid var(--border);
  padding:3px 8px; border-radius:12px;
}
.meta .ok { color:var(--ok); border-color:var(--ok); }
.meta .warn { color:var(--warn); border-color:var(--warn); }

/* ---------- Lists (used by shortage feed, etc.) ---------- */
.item-list { padding:0; margin:0; list-style:none; }
.item-list li {
  padding:10px 14px;
  border-bottom:1px solid var(--border);
}
.item-list li:last-child { border-bottom:0; }

/* ---------- Holders grid (parallel-import etc.) ---------- */
.holders-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:8px; padding:8px;
}
.holder {
  padding:10px 14px;
  background:var(--bg);
  border:1px solid var(--border); border-radius:6px;
  display:flex; justify-content:space-between; align-items:center; gap:10px;
}
.holder .count {
  background:var(--accent); color:white;
  border-radius:10px; padding:2px 8px;
  font-size:11px; font-weight:600;
}

/* ---------- Risk bars (forecast page) ---------- */
.risk-bar {
  display:inline-block;
  width:60px; height:10px;
  background:var(--bg);
  border-radius:5px; overflow:hidden;
  vertical-align:middle; margin-right:6px;
}
.risk-bar .fill {
  height:100%;
  background:linear-gradient(90deg, var(--ok), var(--warn) 50%, var(--bad));
}
.risk-pill {
  display:inline-block; padding:2px 7px;
  border-radius:10px; font-size:11px; font-weight:600;
}
.risk-pill.vysoké  { background:rgba(239,83,80,0.16); color:var(--bad); }
.risk-pill.střední { background:rgba(240,136,62,0.16); color:var(--warn); }
.risk-pill.nízké   { background:rgba(63,185,80,0.16);  color:var(--ok); }

/* ---------- Footer ---------- */
footer {
  padding:18px 22px;
  border-top:1px solid var(--border);
  color:var(--muted); font-size:11px;
  text-align:center;
}

/* ---------- Utilities ---------- */
.small { font-size:11px; color:var(--muted); }
.row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.spacer { flex:1; }
.hidden { display:none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .kpi-row { grid-template-columns:repeat(2, 1fr); }
  header { flex-direction:column; align-items:flex-start; }
  header .theme-toggle { align-self:flex-end; margin-top:-30px; }
  .nav-panel { min-width: 280px; max-width: calc(100vw - 32px); left:0; }
}
@media (max-width: 540px) {
  .nav-trigger .label, .nav-item .label { display:none; }
  .nav-trigger .icon, .nav-item .icon { font-size:16px; }
  .nav-panel { min-width:240px; }
}
@media (max-width: 540px) {
  .kpi-row { grid-template-columns:1fr; }
  main { padding:12px 14px; }
  .panel { padding:10px 14px; }
}