/* ==========================================================================
   FARAPORT Flotila – sdílený vzhled (proměnné, horní lišta, formuláře, karty)
   Stránkově specifické styly patří do vlastního CSS vedle stránky (např. watch/assets/watch.css).
   ========================================================================== */

:root {
    color-scheme: dark;

    --bg:        #0a0e13;
    --bg-elev:   #0f151c;
    --surface:   #141b24;
    --surface-2: #1a2330;
    --line:      #243040;
    --line-soft: #1b2634;
    --text:      #e6edf5;
    --muted:     #8797a9;

    --accent:      #19c6cf;
    --accent-600:  #0fa4ad;
    --accent-soft: rgba(25, 198, 207, .14);

    --ok:     #34d399;
    --warn:   #fbbf24;
    --bad:    #f87171;
    --beacon: #38bdf8;
    --ok-soft:   rgba(52, 211, 153, .14);
    --warn-soft: rgba(251, 191, 36, .14);
    --bad-soft:  rgba(248, 113, 113, .14);

    --radius:    14px;
    --radius-sm: 9px;
    --shadow:    0 10px 30px rgba(0, 0, 0, .35);
    --topbar-h:  58px;

    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 400 15px/1.45 var(--font);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
img { max-width: 100%; }

.muted { color: var(--muted); }
.mono  { font-family: var(--mono); }
.sr-only {
    position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Jemné posuvníky */
* { scrollbar-width: thin; scrollbar-color: #2b394b transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #2b394b; border-radius: 9px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Horní lišta ------------------------------------------------- */
.topbar {
    position: sticky; top: 0; z-index: 2000;
    height: var(--topbar-h);
    display: flex; align-items: center; gap: 18px;
    padding: 0 16px;
    background: rgba(15, 21, 28, .88);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 7px; }
.brand__name { display: flex; flex-direction: column; font-weight: 800; letter-spacing: .08em; font-size: .95rem; line-height: 1.05; }
.brand__name small { font-weight: 500; letter-spacing: .14em; font-size: .62rem; color: var(--accent); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; min-width: 0; }
.nav__link {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: 999px;
    color: var(--muted); font-weight: 600; font-size: .86rem; white-space: nowrap;
    transition: background .15s, color .15s;
}
.nav__link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav__link.is-active { background: var(--accent-soft); color: var(--accent); }

.topbar__right { margin-left: auto; display: flex; align-items: center; gap: 14px; min-width: 0; }
.clock { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .84rem; white-space: nowrap; font-variant-numeric: tabular-nums; }

.conn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 5px 12px; border-radius: 999px;
    background: var(--surface-2); border: 1px solid var(--line);
    font-size: .8rem; font-weight: 600; white-space: nowrap;
}
.conn__dot { width: 9px; height: 9px; border-radius: 50%; background: #6b7a8c; }
.conn[data-state="online"]  .conn__dot { background: var(--ok);   box-shadow: 0 0 9px var(--ok); }
.conn[data-state="stale"]   .conn__dot { background: var(--warn); box-shadow: 0 0 9px var(--warn); }
.conn[data-state="offline"] .conn__dot { background: var(--bad);  box-shadow: 0 0 9px var(--bad); }
.conn[data-state="stale"]   { color: var(--warn); }
.conn[data-state="offline"] { color: var(--bad); }

.userbox { display: flex; align-items: center; gap: 6px; }
.userbox form { margin: 0; display: flex; }
.userchip { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: .84rem; white-space: nowrap; }

.icon-btn {
    width: 34px; height: 34px; display: inline-grid; place-items: center;
    border-radius: 50%; border: 1px solid transparent; background: transparent;
    color: var(--muted); cursor: pointer; font-size: .95rem;
    transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* ---------- Rozvržení stránek ------------------------------------------- */
.layout-default .page { max-width: 1240px; margin: 0 auto; padding: 24px 16px 48px; }

.layout-dashboard { height: 100vh; height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }
.layout-dashboard .page { flex: 1; min-height: 0; }

/* ---------- Komponenty -------------------------------------------------- */
.card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px;
}

.card--narrow { max-width: 560px; }
.card__title { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; margin-bottom: 8px; }
.card__title i { color: var(--accent); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 16px; border-radius: var(--radius-sm);
    border: 1px solid var(--line); background: var(--surface-2); color: var(--text);
    font: 600 .9rem var(--font); cursor: pointer; text-decoration: none;
    transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: #223043; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #04191b; }
.btn--primary:hover { background: #3dd6de; }
.btn--small { padding: 6px 12px; font-size: .8rem; }
.btn--block { width: 100%; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > span { font-size: .8rem; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea {
    width: 100%; padding: 11px 12px; border-radius: var(--radius-sm);
    background: var(--bg-elev); border: 1px solid var(--line); color: var(--text);
    font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}

.alert {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 10px 12px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: .88rem;
}
.alert--error { background: var(--bad-soft); border: 1px solid rgba(248, 113, 113, .35); color: #fecaca; }
.alert--ok    { background: var(--ok-soft);  border: 1px solid rgba(52, 211, 153, .35);  color: #bbf7d0; }

.pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 10px; border-radius: 999px;
    font-size: .72rem; font-weight: 700; letter-spacing: .03em;
    background: var(--surface-2); color: var(--muted); border: 1px solid var(--line);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill--online  { color: var(--ok);  background: var(--ok-soft);  border-color: rgba(52, 211, 153, .3); }
.pill--offline { color: var(--bad); background: var(--bad-soft); border-color: rgba(248, 113, 113, .3); }

/* ---------- Přihlášení -------------------------------------------------- */
.is-bare { min-height: 100vh; }
.login {
    min-height: 100vh; display: grid; place-items: center; padding: 20px;
    background:
        radial-gradient(900px 500px at 15% -10%, rgba(25, 198, 207, .12), transparent 60%),
        radial-gradient(700px 500px at 100% 110%, rgba(56, 189, 248, .08), transparent 60%),
        var(--bg);
}
.login__card {
    width: 100%; max-width: 380px; padding: 30px 28px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow);
}
.login__logo { display: block; margin: 0 auto 14px; border-radius: 12px; }
.login__card h1 { text-align: center; font-size: 1.35rem; letter-spacing: .08em; font-weight: 800; }
.login__card h1 span { color: var(--accent); font-weight: 500; letter-spacing: .12em; font-size: .8em; text-transform: uppercase; }
.login__card > p { text-align: center; margin: 8px 0 22px; font-size: .9rem; }

/* ---------- Responzivita ------------------------------------------------ */
@media (max-width: 860px) {
    .topbar { flex-wrap: wrap; height: auto; min-height: var(--topbar-h); padding: 8px 12px; gap: 6px 12px; }
    .nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 2px; }
    .clock, .userchip span { display: none; }
    .topbar__right { gap: 8px; }
}