:root {
    /* barvy převzaté z banneru ke konferenci: černá #000 a žlutá #ffce29 */
    --dark: #101216;
    --hero-bg: #000000;
    --dark-soft: #22252d;
    --accent: #ffce29;
    --accent-dark: #e0b012;
    --text: #1c1f26;
    --muted: #6b7280;
    --line: #e3e6ec;
    --bg: #f4f5f7;
    --ok: #1f7a45;
    --err: #b42318;
    --radius: 10px;
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

a { color: #0b5ed7; }

.topbar {
    background: var(--dark);
    border-bottom: 4px solid var(--accent);
}

.topbar-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.topbar .brand {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: .2px;
}

.topbar .brand span { color: var(--accent); }

.topbar .brand-sub {
    color: #9aa1ad;
    font-size: .85rem;
    font-weight: 400;
}

main {
    max-width: 880px;
    margin: 0 auto;
    padding: 28px 20px 60px;
}

main.wide { max-width: 1200px; }

.hero {
    background: var(--hero-bg);
    color: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    /* trochu černého vzduchu nad bannerem, ať nápis nesedí na hraně */
    padding-top: 20px;
    margin-bottom: 22px;
}

/* Banner z kampaně – navazuje na černé pozadí sekce, takže tvoří jeden celek. */
.hero-banner img {
    display: block;
    width: 100%;
    height: auto;
}

.hero-body {
    padding: 26px 28px 30px;
}

.hero .eyebrow {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.hero h1 {
    margin: 0 0 14px;
    font-size: 1.85rem;
    line-height: 1.25;
}

.hero h1 em { color: var(--accent); font-style: normal; }

.hero p { margin: 0 0 10px; color: #d7dae0; }

.hero .talk {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #2b2e35;
    color: #d7dae0;
}

.hero .talk strong { color: #fff; }

.hero a { color: var(--accent); }

.facts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 18px;
    font-size: .93rem;
    color: #b9bfc9;
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 28px;
    margin-bottom: 20px;
}

.card h2 {
    margin: 0 0 6px;
    font-size: 1.3rem;
}

.card .lead {
    margin: 0 0 22px;
    color: var(--muted);
}

.badge-remaining {
    display: inline-block;
    background: var(--hero-bg);
    color: var(--accent);
    font-size: .85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 7px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
}

form .row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

form .row > .field { flex: 1 1 220px; }

.field { margin-bottom: 16px; }

.field label {
    display: block;
    font-weight: 600;
    font-size: .92rem;
    margin-bottom: 6px;
}

.field label .req { color: var(--err); }

.field input[type=text],
.field input[type=email],
.field input[type=tel] {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #c9ced8;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--text);
}

.field input:focus {
    outline: none;
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 3px rgba(242, 195, 26, .25);
}

.field input.input-error { border-color: var(--err); }

.consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fafbfc;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px 16px;
    margin: 6px 0 18px;
}

.consent input[type=checkbox] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    accent-color: var(--accent-dark);
}

.consent label {
    font-size: .9rem;
    color: #444b57;
    margin: 0;
    font-weight: 400;
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    border: none;
    border-radius: 8px;
    padding: 13px 26px;
    font-size: 1.02rem;
    font-weight: 700;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover { background: var(--accent-dark); }

.btn:disabled { opacity: .6; cursor: default; }

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid #c9ced8;
    text-decoration: none;
}

.btn-secondary:hover { background: #eef0f4; }

.field-error {
    display: block;
    color: var(--err);
    font-size: .85rem;
    margin-top: 5px;
}

.alert {
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 20px;
    border: 1px solid;
}

.alert-error {
    background: #fef3f2;
    border-color: #fbc9c4;
    color: #7a271a;
}

.alert-ok {
    background: #ecfdf3;
    border-color: #a7e0bf;
    color: #054f31;
}

.soldout {
    text-align: center;
    padding: 40px 28px;
}

.soldout .mark {
    line-height: 1;
    margin-bottom: 14px;
}

.soldout .mark svg {
    width: 46px;
    height: 46px;
}

.soldout h2 {
    font-size: 1.45rem;
    margin: 0 0 10px;
}

.soldout p {
    color: var(--muted);
    max-width: 44ch;
    margin: 0 auto 8px;
}

.note { font-size: .88rem; color: var(--muted); }

footer {
    border-top: 1px solid var(--line);
    background: #fff;
}

.footer-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 18px 20px;
    font-size: .85rem;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

/* --- administrace --- */
.admin-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

.stat {
    flex: 1 1 150px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.stat .num { font-size: 1.7rem; font-weight: 700; line-height: 1.2; }

.stat .num-text { font-size: 1.15rem; letter-spacing: .02em; padding: 6px 0 5px; }

.stat .lbl { font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }

table { border-collapse: collapse; width: 100%; font-size: .92rem; }

th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }

th { background: #f7f8fa; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }

tbody tr:last-child td { border-bottom: none; }

@media (max-width: 560px) {
    .hero { padding-top: 12px; }
    .hero-body { padding: 22px 18px 26px; }
    .hero h1 { font-size: 1.5rem; }
    .card { padding: 22px 18px; }
}