:root {
  --bg: #0b0d12;
  --bg-2: #12151d;
  --card: #171b25;
  --card-2: #1e2331;
  --border: #2a3042;
  --text: #eef1f7;
  --muted: #9aa3b8;
  --accent: #ff3b30;
  --accent-2: #ffb800;
  --ok: #2ecc71;
  --warn: #ffb800;
  --danger: #ff3b30;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -200px, #1b2030 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 0.4em; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
p { margin: 0 0 0.8em; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hidden { display: none !important; }

.container { max-width: 760px; margin: 0 auto; padding: 16px; }

/* Racing look */
.checker-stripe {
  height: 8px;
  background:
    linear-gradient(45deg, #111 25%, transparent 25%, transparent 75%, #111 75%),
    linear-gradient(45deg, #111 25%, #f3f3f3 25%, #f3f3f3 75%, #111 75%);
  background-size: 16px 16px; background-position: 0 0, 8px 8px;
}
.display {
  font-size: clamp(2rem, 7vw, 3.2rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.95;
  background: linear-gradient(90deg, #fff 0%, #ffd27a 60%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin: 6px 0 10px;
}
.eyebrow { color: var(--accent-2); font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.75rem; }
.subtitle { font-weight: 600; color: var(--text); }
.tagline { color: var(--muted); font-style: italic; margin: 6px 0 14px; }
.login-card { position: relative; overflow: hidden; }
.login-card::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; opacity: 0.08; transform: rotate(12deg);
  background:
    linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%),
    linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%);
  background-size: 30px 30px; background-position: 0 0, 15px 15px; pointer-events: none;
}
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; left: -10%; right: -10%; bottom: -30px; height: 70px; opacity: 0.06; transform: skewY(-3deg);
  background: repeating-linear-gradient(90deg, #fff 0 24px, transparent 24px 48px); pointer-events: none;
}
.countdown { margin: 14px 0 16px; }
.cd-label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.cd-row { display: flex; gap: 8px; }
.cd-box { flex: 1; background: #0f121a; border: 1px solid var(--border); border-radius: 10px; padding: 10px 6px; text-align: center; }
.cd-n { font-size: 1.7rem; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1; color: var(--accent-2); }
.cd-l { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
.cd-live { font-weight: 800; color: #ffb3ad; letter-spacing: 0.1em; animation: pulse 1.4s infinite; display: inline-block; padding: 8px 14px; border: 1px solid var(--danger); border-radius: 999px; }
.cd-done { font-weight: 700; color: var(--ok); }
.tower table tbody tr td:first-child { width: 36px; }
.tower tbody tr:nth-child(1) td { background: rgba(255, 215, 0, 0.06); }

/* Nepřihlášený: jen přihlašovací dialog, nic víc */
body.logged-out .chrome { display: none !important; }
body.logged-out { display: flex; flex-direction: column; justify-content: center; }
body.logged-out .container { width: 100%; max-width: 480px; }

/* Header */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand .flag {
  width: 28px; height: 28px; border-radius: 6px;
  background:
    linear-gradient(45deg, #000 25%, transparent 25%, transparent 75%, #000 75%),
    linear-gradient(45deg, #000 25%, #fff 25%, #fff 75%, #000 75%);
  background-size: 14px 14px; background-position: 0 0, 7px 7px;
}
.topbar .actions { display: flex; gap: 8px; align-items: center; }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--card) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.card.hero {
  border-color: #3a2a2a;
  background:
    linear-gradient(135deg, rgba(255, 59, 48, 0.12), transparent 50%),
    linear-gradient(180deg, var(--card) 0%, var(--bg-2) 100%);
}
.hero .when { font-size: 1.15rem; font-weight: 600; margin-top: 6px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.nav-links .btn { text-decoration: none; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 14px; }
.fact { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.fact .k { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.fact .v { font-weight: 600; margin-top: 2px; }
ul.extras { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
ul.extras li { margin: 4px 0; }

/* Forms */
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="time"], input[type="number"], textarea, select {
  width: 100%;
  background: #0f121a;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.15); }
textarea { resize: vertical; min-height: 70px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 1 1 auto; }
.code-input { letter-spacing: 0.5em; text-align: center; font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }

button, .btn {
  appearance: none;
  border: 1px solid transparent;
  background: linear-gradient(180deg, #ff5247, var(--accent));
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.05s, filter 0.15s, background 0.15s;
  white-space: nowrap;
}
button:hover, .btn:hover { filter: brightness(1.1); text-decoration: none; }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-secondary { background: var(--card-2); border-color: var(--border); color: var(--text); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn-ok { background: var(--ok); color: #06290f; }
.btn-warn { background: var(--accent-2); color: #241a00; }
.btn-sm { padding: 7px 11px; font-size: 0.85rem; border-radius: 8px; }
.btn-block { width: 100%; }

.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice.choice-3 { grid-template-columns: repeat(3, 1fr); }
.choice button { padding: 14px 10px; font-size: 0.95rem; background: var(--card-2); border-color: var(--border); white-space: normal; line-height: 1.2; }
.choice button.active-yes { background: var(--ok); color: #06290f; border-color: var(--ok); }
.choice button.active-no { background: #3a1f22; color: #ffb3ad; border-color: var(--danger); }
.choice button.active-spectator { background: rgba(255, 184, 0, 0.18); color: #ffe3a3; border-color: var(--accent-2); }
body.spectator .racer-only { display: none; }
.choice button.active { background: rgba(255, 184, 0, 0.18); color: #ffe3a3; border-color: var(--accent-2); }
@media (max-width: 420px) { .choice.choice-3 { grid-template-columns: 1fr; } }

/* Alerts */
.alert { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--card-2); margin: 10px 0; font-size: 0.95rem; }
.alert-error { border-color: rgba(255, 59, 48, 0.5); background: rgba(255, 59, 48, 0.1); color: #ffb3ad; }
.alert-ok { border-color: rgba(46, 204, 113, 0.5); background: rgba(46, 204, 113, 0.1); color: #a8f0c4; }
.alert-info { border-color: rgba(255, 184, 0, 0.5); background: rgba(255, 184, 0, 0.08); color: #ffe3a3; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; border: 1px solid var(--border); background: var(--card-2); color: var(--muted); vertical-align: middle; }
.badge-yes { background: rgba(46, 204, 113, 0.15); color: #a8f0c4; border-color: rgba(46, 204, 113, 0.4); }
.badge-no { background: rgba(255, 59, 48, 0.15); color: #ffb3ad; border-color: rgba(255, 59, 48, 0.4); }
.badge-running { background: rgba(255, 184, 0, 0.18); color: #ffe3a3; border-color: rgba(255, 184, 0, 0.5); animation: pulse 1.4s infinite; }
.badge-done { opacity: 0.7; }
.badge-admin { background: rgba(255, 184, 0, 0.18); color: #ffe3a3; border-color: rgba(255, 184, 0, 0.5); }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 184, 0, 0.4); } 50% { box-shadow: 0 0 0 6px rgba(255, 184, 0, 0); } }

/* Lists / tables */
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.list li:last-child { border-bottom: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--card-2); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; font-size: 0.85rem; }
.chip.me { border-color: var(--accent-2); color: var(--accent-2); }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
tr.me td { background: rgba(255, 184, 0, 0.08); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--card-2); font-weight: 700; font-size: 0.85rem; border: 1px solid var(--border); }
.pos-1 { background: linear-gradient(135deg, #ffd700, #b8860b); color: #231a00; border-color: #ffd700; }
.pos-2 { background: linear-gradient(135deg, #e6e6e6, #9a9a9a); color: #222; border-color: #ddd; }
.pos-3 { background: linear-gradient(135deg, #cd7f32, #8b5a2b); color: #fff; border-color: #cd7f32; }

.heat { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; background: rgba(255, 255, 255, 0.02); }
.heat.running { border-color: var(--accent-2); background: rgba(255, 184, 0, 0.06); }
.heat.mine { border-left: 4px solid var(--accent); }
.heat .head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.heat .time { font-weight: 700; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.heat .drivers { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }

.my-standing { display: flex; align-items: center; gap: 16px; }
.my-standing .big { font-size: 2.4rem; font-weight: 800; line-height: 1; }
.my-standing .big small { font-size: 1rem; color: var(--muted); font-weight: 600; }

.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.switch { position: relative; width: 48px; height: 28px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--card-2); border: 1px solid var(--border); border-radius: 999px; transition: 0.2s; }
.switch span::before { content: ""; position: absolute; width: 20px; height: 20px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: 0.2s; }
.switch input:checked + span { background: var(--ok); border-color: var(--ok); }
.switch input:checked + span::before { transform: translateX(20px); }

footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 24px 16px 40px; }

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px);
  background: #222838; color: var(--text); border: 1px solid var(--border);
  padding: 12px 16px; border-radius: 12px; box-shadow: var(--shadow); opacity: 0;
  transition: 0.25s; z-index: 100; max-width: 90vw; font-size: 0.95rem; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast.error { border-color: var(--danger); }
.toast.ok { border-color: var(--ok); }

/* Admin */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { background: var(--card-2); border-color: var(--border); color: var(--muted); }
.tabs button.active { background: var(--accent-2); color: #241a00; border-color: var(--accent-2); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.stat { background: var(--card-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.stat .n { font-size: 1.6rem; font-weight: 800; }
.stat .l { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
td input[type="text"], td input[type="number"], td select { padding: 7px 9px; font-size: 0.9rem; border-radius: 8px; }
td input.lap { width: 110px; font-variant-numeric: tabular-nums; }
/* Buňky, které vypadají jako text a editují se kliknutím */
td input.cell { background: transparent; border-color: transparent; padding: 6px 4px; min-width: 120px; width: 100%; color: var(--text); }
#usersTable td, #usersTable th { padding: 8px 6px; }
td input.cell::placeholder { color: var(--muted); font-style: italic; }
td input.cell:hover { border-color: var(--border); background: #0f121a; }
td input.cell:focus { border-color: var(--accent-2); background: #0f121a; }
table.sortable th[data-sort] { cursor: pointer; user-select: none; white-space: nowrap; }
table.sortable th[data-sort]:hover { color: var(--text); }
table.sortable th.sorted { color: var(--accent-2); }
table.sortable th[data-sort]::after { content: attr(data-dir); margin-left: 4px; font-size: 0.7em; }
.tabs .btn-sm { padding: 6px 10px; }
td input.kart { width: 64px; }
.inline-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.driver-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 6px; margin: 10px 0; }
.driver-pick label { display: flex; align-items: center; gap: 8px; background: var(--card-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin: 0; color: var(--text); cursor: pointer; font-size: 0.9rem; }
.driver-pick input { width: auto; }
.driver-pick label.checked { border-color: var(--accent-2); }
details summary { cursor: pointer; color: var(--muted); }

@media (max-width: 520px) {
  .container { padding: 12px; }
  .card { padding: 14px; }
  .topbar .brand span.text { display: none; }
}