:root {
  /* Černo-šedá základna */
  --bg: #0d0d0d;
  --panel: #1a1a1a;
  --panel-2: #242424;
  --panel-3: #2f2f2f;
  --input-bg: #000000;
  --text: #ededed;
  --muted: #a1a1a1;
  --text-faint: #6e6e6e;
  /* Tmavě oranžový akcent */
  --link: #fb923c;
  --primary: #c2410c;
  --primary-hover: #9a3412;
  --primary-soft: rgba(194,65,12,.16);
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --border: #2c2c2c;
  --border-strong: #404040;

  /* Rozestupy */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px; --sp-7: 48px;

  /* Zaoblení */
  --radius-sm: 8px; --radius: 12px; --radius-lg: 16px; --radius-pill: 999px;

  /* Typografie */
  --fs-xs: 0.78rem; --fs-sm: 0.875rem; --fs-base: 1rem; --fs-md: 1.125rem;
  --fs-lg: 1.4rem; --fs-xl: 1.75rem; --fs-2xl: 2rem;
  --lh-tight: 1.2; --lh-normal: 1.5;
  --fw-normal: 400; --fw-medium: 500; --fw-semibold: 600; --fw-bold: 700;

  /* Stíny */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.30);
  --shadow: 0 2px 8px rgba(0,0,0,.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.50);

  /* Vrstvení a pohyb */
  --z-drawer: 100; --z-overlay: 90; --z-topbar: 80;
  --ease: cubic-bezier(.4,0,.2,1); --dur: .2s;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--link); text-decoration: none; }
code { background: var(--input-bg); padding: 1px 6px; border-radius: 6px; font-size: 0.9em; }

/* Mobilní topbar (jen pod 720px) */
.topbar { display: none; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; font-size: 1.4rem; line-height: 1;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
}
.conn-dot { width: 10px; height: 10px; border-radius: var(--radius-pill); flex: 0 0 auto; }
.conn-dot.is-on { background: var(--ok); }
.conn-dot.is-off { background: var(--muted); }

/* Tmavý overlay pod drawerem (jen mobil) */
.nav-overlay { display: none; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh;
}
.brand { font-size: 1.15rem; font-weight: var(--fw-bold); padding: 6px 10px 18px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
  color: var(--text); padding: 10px 12px; border-radius: 10px; font-weight: 500;
}
.sidebar nav a:hover { background: var(--panel-2); }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px 10px 0; }
.cloud-switch { width: 100%; display: flex; flex-direction: column; }
.cloud-switch select { max-width: 220px; }
.logout { color: var(--muted); font-size: 0.9rem; }
.content { flex: 1; padding: 28px 36px; max-width: 1100px; }

/* Headings */
.page-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: var(--fs-xl); font-weight: var(--fw-bold); line-height: var(--lh-tight); }
.page-head .muted { margin: 0; flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--sp-5); margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.card h3 { margin-top: 0; font-size: var(--fs-md); font-weight: var(--fw-semibold); line-height: var(--lh-tight); }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.card.action { display: block; transition: transform .08s, border-color .08s, box-shadow var(--dur) var(--ease); }
.card.action:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow); }
.card.action h3 { color: var(--text); }
.card.action p { color: var(--muted); margin-bottom: 0; }
.stat .stat-label { color: var(--muted); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .04em; }
.stat .stat-value { font-size: var(--fs-2xl); font-weight: var(--fw-bold); margin-top: 6px; font-variant-numeric: tabular-nums; }

/* Forms */
label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 12px; }
label.check { display: flex; align-items: center; gap: 8px; }
input, select {
  width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--input-bg); color: var(--text); font-size: 1rem;
}
input::placeholder { color: var(--text-faint); }
label.check input { width: auto; margin-top: 0; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.form-row > label { flex: 1; min-width: 180px; }
.form-row .grow { flex: 2; }

/* Buttons */
.btn {
  display: inline-block; padding: 10px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 0.95rem; cursor: pointer; font-weight: var(--fw-semibold);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { border-color: var(--primary); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-small { padding: 6px 12px; font-size: 0.85rem; }
.actions-bar { margin: 16px 0; display: flex; gap: 12px; align-items: center; }

/* Tables */
.table-wrap { width: 100%; }
.table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th {
  color: var(--muted); font-weight: var(--fw-semibold); font-size: var(--fs-xs);
  text-transform: uppercase; letter-spacing: .04em;
}
.table tbody tr:hover { background: var(--panel-2); }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.kv { width: 100%; }
.kv th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px 16px 8px 0; width: 160px; vertical-align: top; }
.kv td { padding: 8px 0; }

/* Badges & alerts */
.badge { display: inline-block; padding: 3px 10px; border-radius: var(--radius-pill); font-size: var(--fs-xs); font-weight: var(--fw-bold); }
.badge-ok { background: rgba(22,163,74,.18); color: #4ade80; }
.badge-off { background: rgba(148,163,184,.18); color: var(--muted); }
.badge-warn { background: rgba(217,119,6,.18); color: #fbbf24; }
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; border: 1px solid transparent; border-left: 3px solid; padding-left: var(--sp-4); }
.alert-info { background: var(--primary-soft); border-color: var(--primary); border-left-color: var(--primary); }
.alert-ok { background: rgba(22,163,74,.12); border-color: var(--ok); border-left-color: var(--ok); color: #bbf7d0; }
.alert-error { background: rgba(220,38,38,.12); border-color: var(--danger); border-left-color: var(--danger); color: #fecaca; }

/* Search results */
.search-results { position: relative; }
.search-results .result-item {
  padding: 8px 12px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; margin-top: 4px; cursor: pointer; display: flex; justify-content: space-between;
}
.search-results .result-item:hover { border-color: var(--primary); }

/* Štítek cloudu (v režimu Všechny cloudy) */
.cloud-tag {
  display: inline-block; background: var(--primary-soft); color: var(--link);
  border-radius: 6px; padding: 1px 8px; margin-right: 8px; font-size: 0.75rem; font-weight: 700;
}

/* Orders */
.orders-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.order-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.order-card .order-top { display: flex; justify-content: space-between; align-items: baseline; }
.order-card .order-total { font-size: 1.4rem; font-weight: 700; }
.order-card ul { padding-left: 18px; margin: 8px 0 0; color: var(--muted); }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 32px; width: 100%; max-width: 380px; }
.login-card h1 { margin-top: 0; font-size: 1.4rem; }

/* Loading */
.spinner { display: flex; align-items: center; gap: var(--sp-2); color: var(--muted); padding: 12px 0; }
.spinner::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--primary);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Prázdné stavy */
.empty-state { text-align: center; padding: var(--sp-6) var(--sp-4); color: var(--muted); }
.empty-state .icon { font-size: 2rem; display: block; margin-bottom: var(--sp-2); }

/* Detailní rozbalovací bloky (storna/slevy) */
.detail-block { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 8px; }
.detail-block summary { cursor: pointer; color: var(--muted); font-weight: 600; padding: 6px 0; }
.detail-block summary:hover { color: var(--text); }

@media (max-width: 720px) {
  /* Mobilní topbar s hamburgerem */
  .topbar {
    display: flex; align-items: center; gap: var(--sp-3);
    position: sticky; top: 0; z-index: var(--z-topbar);
    padding: var(--sp-2) var(--sp-3);
    background: var(--panel); border-bottom: 1px solid var(--border);
  }
  .topbar .brand { padding: 0; font-size: 1.05rem; }

  .layout { flex-direction: column; }

  /* Sidebar = off-canvas drawer zleva */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; height: 100vh;
    width: 280px; max-width: 84vw; z-index: var(--z-drawer);
    flex-direction: column; align-items: stretch;
    transform: translateX(-100%); transition: transform var(--dur) var(--ease);
    box-shadow: var(--shadow-lg);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open { overflow: hidden; }
  /* Brand uvnitř draweru na mobilu skrytý – je v topbaru */
  .sidebar .brand-side { display: none; }

  .sidebar nav { flex-direction: column; }
  .sidebar-foot { flex-direction: column; align-items: flex-start; margin-top: auto; }
  .cloud-switch { width: 100%; }

  /* Tmavý overlay pod otevřeným drawerem */
  .nav-overlay {
    display: none; position: fixed; inset: 0; z-index: var(--z-overlay);
    background: rgba(0,0,0,.55);
  }
  body.nav-open .nav-overlay { display: block; }

  .content { padding: 20px; }

  /* Tap-target – pohodlnější dotyk */
  .btn { padding: 12px 18px; }

  /* Responzivní tabulky – card-flip */
  .table thead { position: absolute; left: -9999px; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr {
    background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
    margin-bottom: var(--sp-3); padding: var(--sp-2) var(--sp-3);
  }
  .table td {
    display: flex; justify-content: space-between; gap: var(--sp-4);
    border-bottom: 1px solid var(--border); padding: var(--sp-2) 0; text-align: right;
  }
  .table tr td:last-child { border-bottom: 0; }
  .table td::before {
    content: attr(data-label); color: var(--muted); font-size: var(--fs-xs);
    font-weight: var(--fw-semibold); text-align: left; text-transform: uppercase; letter-spacing: .04em;
  }
  .table td:first-child { font-weight: var(--fw-semibold); font-size: var(--fs-md); }
  .table td:first-child::before { display: none; }
}