:root {
  color-scheme: dark;
  --bg: #070b12;
  --panel: #0e1521;
  --panel-2: #131d2b;
  --line: #243144;
  --muted: #93a4ba;
  --text: #f3f7fb;
  --accent: #35a8ff;
  --accent-soft: #11395a;
  --good: #55d69e;
  --warn: #ffb95c;
  --bad: #ff6b75;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 40% -20%, #17243a 0, var(--bg) 40%); color: var(--text); }
button, input { font: inherit; }
button { color: inherit; }
.topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--line); background: rgba(7, 11, 18, .86); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 10; }
.identity, .header-actions, .controls, .pager, .viewer-bar > div { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 42px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 11px; background: linear-gradient(145deg, #1ab7ff, #1764e8); font-weight: 900; box-shadow: 0 8px 28px rgba(35, 139, 255, .28); }
h1, h2, p { margin: 0; }
h1 { font-size: 1.15rem; letter-spacing: -.02em; }
h2 { font-size: clamp(1.45rem, 2vw, 2rem); }
.eyebrow, .section-kicker { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 800; margin-bottom: 3px; }
.clock, .statusbar { color: var(--muted); font-size: .86rem; }
.ghost-button, .icon-button { border: 1px solid var(--line); background: var(--panel); border-radius: 9px; padding: 9px 13px; cursor: pointer; }
.ghost-button:hover, .icon-button:hover { border-color: #3c526e; background: var(--panel-2); }
.location-tabs { display: flex; overflow-x: auto; gap: 6px; padding: 10px 24px; border-bottom: 1px solid var(--line); background: #0b111b; scrollbar-width: thin; }
.location-tab { flex: 0 0 auto; border: 0; border-radius: 8px; padding: 10px 15px; background: transparent; color: var(--muted); cursor: pointer; font-weight: 700; }
.location-tab:hover { background: var(--panel); color: var(--text); }
.location-tab.active { color: white; background: var(--accent-soft); box-shadow: inset 0 0 0 1px #23567e; }
.workspace { padding: 20px 24px 14px; }
.control-row { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.layout-picker { display: flex; padding: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.layout-picker button { width: 42px; border: 0; padding: 7px 5px; border-radius: 7px; background: transparent; color: var(--muted); cursor: pointer; font-weight: 800; }
.layout-picker button.active { color: white; background: #244665; }
.pager { min-width: 124px; justify-content: space-between; }
.icon-button { width: 38px; height: 38px; padding: 0; font-size: 1.5rem; display: grid; place-items: center; }
.icon-button:disabled { opacity: .35; cursor: default; }
.camera-grid { display: grid; gap: 10px; min-height: 56vh; align-content: start; }
.camera-grid[data-layout="1"] { grid-template-columns: 1fr; }
.camera-grid[data-layout="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.camera-grid[data-layout="9"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.camera-grid[data-layout="16"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.camera-grid[data-layout="32"] { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.camera-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); box-shadow: 0 10px 22px rgba(0,0,0,.16); }
.camera-image-wrap { position: relative; display: block; width: 100%; aspect-ratio: 16/9; overflow: hidden; padding: 0; border: 0; background: #05080d; cursor: zoom-in; }
.camera-image-wrap img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.camera-image-wrap:hover img { transform: scale(1.02); }
.camera-card.loading .camera-image-wrap::after, .camera-card.offline .camera-image-wrap::after { content: "Ładowanie…"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); background: linear-gradient(110deg, #0a1019 20%, #131e2d 40%, #0a1019 60%); background-size: 200% 100%; animation: shimmer 1.4s infinite linear; }
.camera-card.offline .camera-image-wrap::after { content: "Brak obrazu"; animation: none; background: #080d15; }
@keyframes shimmer { to { background-position: -200% 0; } }
.camera-card footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 10px; }
.camera-card footer div { min-width: 0; display: grid; gap: 2px; }
.camera-card footer strong { font-size: .86rem; white-space: nowrap; }
.camera-card footer div span { color: var(--muted); font-size: .69rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.camera-state { flex: 0 0 auto; font-size: .68rem; padding: 4px 7px; border-radius: 999px; background: rgba(85, 214, 158, .12); color: var(--good); }
.camera-state.stale { color: var(--warn); background: rgba(255,185,92,.12); }
.camera-card.offline .camera-state { color: var(--bad); background: rgba(255,107,117,.12); }
.statusbar { display: flex; justify-content: space-between; gap: 14px; padding: 14px 2px 0; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--good); margin-right: 6px; box-shadow: 0 0 0 4px rgba(85,214,158,.09); }
.viewer { width: min(96vw, 1600px); height: min(94vh, 1000px); padding: 0; border: 1px solid #314156; border-radius: 12px; background: #030508; color: white; overflow: hidden; }
.viewer::backdrop { background: rgba(0,0,0,.88); backdrop-filter: blur(6px); }
.viewer-bar { height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 10px 14px 10px 20px; background: #0c121c; border-bottom: 1px solid var(--line); }
.viewer > img { display: block; width: 100%; height: calc(100% - 60px); object-fit: contain; }
.login-page { display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 410px); padding: 34px; background: rgba(14,21,33,.95); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 28px 80px rgba(0,0,0,.44); }
.login-card .brand-mark { margin-bottom: 24px; }
.login-card h1 { font-size: 1.8rem; }
.login-copy { color: var(--muted); margin: 8px 0 24px; }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 7px; color: #bdc9d8; font-size: .88rem; font-weight: 700; }
.login-form input { width: 100%; padding: 12px 13px; border-radius: 9px; border: 1px solid var(--line); background: #080d15; color: white; outline: none; }
.login-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(53,168,255,.13); }
.login-form button { margin-top: 4px; border: 0; padding: 13px; border-radius: 9px; color: white; background: linear-gradient(135deg, #168fdc, #245ce6); font-weight: 800; cursor: pointer; }
.login-error { color: #ffc4c8; background: rgba(255,107,117,.1); border: 1px solid rgba(255,107,117,.3); padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; }
@media (max-width: 1100px) { .camera-grid[data-layout="32"] { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .topbar { padding: 12px 14px; } .clock { display: none; } .location-tabs { padding-inline: 14px; }
  .workspace { padding: 16px 12px 10px; } .control-row { align-items: stretch; flex-direction: column; }
  .controls { justify-content: space-between; overflow-x: auto; } .camera-grid[data-layout="9"], .camera-grid[data-layout="16"], .camera-grid[data-layout="32"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .camera-card footer { align-items: start; } .camera-state { display: none; } .statusbar { flex-direction: column; }
}
@media (max-width: 420px) { .identity .brand-mark { display: none; } .ghost-button { padding-inline: 10px; } .camera-grid[data-layout="1"] { grid-template-columns: 1fr; } }