* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f2f3f5;
    color: #1c1e21;
    line-height: 1.5;
}

.hlavicka {
    background: #16181d;
    color: #fff;
    padding: 28px 16px;
    text-align: center;
}
.hlavicka h1 { margin: 0 0 4px; font-size: 1.6rem; letter-spacing: 0.5px; }
.hlavicka p  { margin: 0; color: #c9ccd1; }

.obsah {
    max-width: 860px;
    margin: 24px auto 60px;
    padding: 0 16px;
}

.karta {
    background: #fff;
    border-radius: 10px;
    padding: 20px 22px;
    margin-bottom: 18px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.karta h2 { margin: 0 0 14px; font-size: 1.15rem; color: #b8121f; }

.mrizka {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px 16px;
}

label, .popisek { display: block; font-size: 0.9rem; font-weight: 600; }
input, select, textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 9px 10px;
    font: inherit;
    font-weight: 400;
    border: 1px solid #c4c8ce;
    border-radius: 6px;
    background: #fff;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid #b8121f33;
    border-color: #b8121f;
}
select:disabled { background: #eceef0; color: #888; }

.pocet { max-width: 180px; margin-bottom: 14px; }

.vozidlo {
    border: 1px solid #dfe2e6;
    border-radius: 8px;
    padding: 14px 16px 16px;
    margin: 0 0 14px;
}
.vozidlo legend {
    font-weight: 700;
    color: #b8121f;
    padding: 0 6px;
}

.mrizka-casu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 6px;
    margin-top: 4px;
}
.mrizka-info {
    grid-column: 1 / -1;
    margin: 0;
    padding: 9px 10px;
    font-size: 0.9rem;
    color: #888;
    background: #eceef0;
    border-radius: 6px;
}
.slot {
    padding: 8px 4px;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
}
.slot.volny {
    background: #e5edfa;
    color: #1a4fa0;
    border-color: #b9cdf0;
}
.slot.volny:hover {
    background: #d3e2f7;
}
.slot.obsazeny {
    background: #fdecea;
    color: #b98186;
    border-color: #f3b6bc;
    cursor: not-allowed;
}
.slot.vybrany {
    background: #1a8a3c;
    color: #fff;
    border-color: #157a33;
}

.hp { position: absolute; left: -9999px; }

.tlacitko {
    display: block;
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    background: #b8121f;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}
.tlacitko:hover:not(:disabled) { background: #99101a; }
.tlacitko:disabled { background: #c97a80; cursor: wait; }

.chyba, .chyba-slotu {
    background: #fdecea;
    color: #8a1220;
    border: 1px solid #f3b6bc;
    border-radius: 8px;
    padding: 12px 14px;
    margin: 0 0 16px;
    font-size: 0.95rem;
}
.chyba-slotu { margin: 12px 0 0; }

.potvrzeni { border-top: 4px solid #1a8a3c; }
.potvrzeni h2 { color: #1a8a3c; }

.pozn { font-size: 0.85rem; color: #5c6066; }

.ulozenka-info {
    background: #eaf7ee;
    color: #14532d;
    border: 1px solid #b7e0c3;
    border-radius: 8px;
    padding: 12px 14px;
    margin: 12px 0 0;
    font-size: 0.95rem;
}
.ulozenka-info ul { margin: 6px 0 0; padding-left: 20px; }
.ulozenka-info ul + ul {
    border-top: 1px dashed #b7e0c3;
    margin-top: 8px;
    padding-top: 8px;
}