:root {
  --bg: #15181b; --panel: #1e2125; --card: #2b2f34; --border: #34383d; --border-strong: #4a5057;
  --text: #f1f3f5; --muted: #9aa0a6; --accent: #6ecdff; --accent-text: #0e2233;
  --danger: #f2867a; --warn: #f5c26b; --live: #4cc36a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, "Adwaita Sans", "Segoe UI", sans-serif; }
a { color: var(--accent); }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 12px; font-weight: 600; }
.sub { color: var(--muted); font-size: 13px; }
.col { display: grid; gap: 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.hidden { display: none !important; }

/* pasek gorny */
.topbar { display: flex; align-items: center; gap: 16px; padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; }
.topbar nav a.on, .topbar nav a:hover { color: var(--text); background: var(--card); }
.topbar .user { margin-left: auto; display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }

section, .panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }

/* formularze */
input[type=text], input[type=email], input[type=password], input[type=number], input[type=time], select {
  width: 100%; background: var(--card); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }
label.field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input[type=range] { width: 100%; accent-color: var(--accent); }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.switch input { width: 20px; height: 20px; accent-color: var(--accent); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--border); background: var(--card);
  color: var(--text); border-radius: 10px; padding: 8px 14px; font: inherit; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--border-strong); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; font-weight: 600; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; border-radius: 8px; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--text); background: var(--card); }

.seg { display: flex; background: var(--card); border-radius: 10px; padding: 3px; gap: 3px; flex-wrap: wrap; }
.seg button { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text); padding: 8px 10px; border-radius: 8px; font: inherit; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-text); font-weight: 600; }

.error { color: var(--danger); font-size: 13px; min-height: 1em; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: 0 0 auto; }
.dot.ok { background: var(--live); }
.dot.warn { background: var(--warn); }
.badge { display: inline-block; font-size: 11.5px; font-weight: 600; border-radius: 999px; padding: 1px 8px; background: var(--card); color: var(--muted); border: 1px solid var(--border); }
.badge.ok { color: var(--live); border-color: #2e5a3a; }
.badge.warn { color: var(--warn); border-color: #5f4c25; }
.badge.danger { color: var(--danger); border-color: #6b3a35; }
.mono { font-family: ui-monospace, "Adwaita Mono", monospace; }
.empty { color: var(--muted); font-size: 13.5px; padding: 8px 2px; }

/* listy */
.list { display: grid; gap: 6px; }
.item { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid transparent; border-radius: 10px; padding: 9px 10px; cursor: pointer; }
.item:hover { border-color: var(--border); }
.item.on { border-color: var(--accent); }
.item .name { font-weight: 600; }
.item .meta { color: var(--muted); font-size: 12.5px; }
.item .grow > div { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn { flex: 0 0 auto; border: 0; background: transparent; color: var(--muted); font-size: 17px; cursor: pointer; padding: 2px 6px; border-radius: 6px; }
.icon-btn:hover { color: var(--text); background: var(--border); }
.icon-btn.fav { color: var(--warn); }
.chips { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 3px; }
.chip { background: var(--accent); color: var(--accent-text); font-size: 11px; font-weight: 700; border-radius: 999px; padding: 0 7px; }

/* tabele (panel admina) */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td .actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }

/* okna dialogowe */
dialog { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 16px; padding: 20px; width: min(440px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog h3 { margin: 0 0 14px; font-size: 17px; }
dialog .row.end { justify-content: flex-end; margin-top: 18px; }

.copy-box { display: flex; gap: 8px; }
.copy-box input { font-family: ui-monospace, monospace; font-size: 13px; }

.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--card); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 999px; font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 20; }
.toast.show { opacity: 1; }
.toast.err { color: var(--danger); }

/* ekrany logowania */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth .panel { width: min(400px, 100%); padding: 28px; display: grid; gap: 14px; }
.auth .brand { font-size: 22px; }