:root {
    --pozadie: #17123f;
    --fialova: #6d3fe8;
    --indigo: #4f46e5;
    --tyrkys: #0fb5d4;
    --text: #e8e9f5;
    --text-tlmeny: #a9acd0;
    --sklo: rgba(255, 255, 255, 0.07);
    --sklo-okraj: rgba(255, 255, 255, 0.14);
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
    color: var(--text);
    background:
        radial-gradient(600px 400px at 0% 0%, rgba(124, 77, 255, 0.55), transparent 70%),
        radial-gradient(700px 500px at 100% 100%, rgba(15, 181, 212, 0.55), transparent 70%),
        linear-gradient(135deg, #1b1445 0%, #1d1f55 55%, #1a3560 100%);
    background-attachment: fixed;
}

h1:focus {
    outline: none;
}

.horne-menu {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: .6rem 1rem;
    background: rgba(20, 16, 58, .6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--sklo-okraj);
}

.znacka { font-weight: 800; font-size: 1.1rem; letter-spacing: .02em; }
.znacka b { color: var(--tyrkys); letter-spacing: .15em; }

.horne-menu nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: .45rem 1.1rem;
    border-radius: 999px;
}

.horne-menu nav a.active {
    background: linear-gradient(135deg, var(--fialova), var(--indigo));
}

.obsah {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1rem 1rem;
}

.pata {
    text-align: center;
    color: var(--text-tlmeny);
    font-size: .8rem;
    padding: 2rem 1rem;
}

.hero { text-align: center; margin-bottom: 2rem; }
.hero h1 { font-size: 2.6rem; font-weight: 800; margin: 0 0 .6rem; color: #fff; }
.hero p { color: var(--text-tlmeny); margin: 0; line-height: 1.6; }

.gradient {
    background: linear-gradient(90deg, #a79bff, #5ee0f5);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.karta-nahranie {
    max-width: 520px;
    margin: 0 auto 2rem;
    padding: 1.6rem;
    background: #f3f4f8;
    color: #1d1b3a;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
}

.karta-nahranie h2 { margin: 0 0 .2rem; font-size: 1.3rem; }
.podnadpis { color: #6b6f8f; font-size: .85rem; margin: 0 0 1rem; }

.nahravacia-plocha {
    display: block;
    position: relative;
    padding: 1.4rem 1rem;
    text-align: center;
    border: 2px dashed #b9bdf0;
    border-radius: 12px;
    background: #e8ecfb;
    cursor: pointer;
    color: #3b3f78;
    font-weight: 600;
}

.nahravacia-plocha input[type=file] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.tlacidlo {
    display: inline-block;
    padding: .6rem 1.4rem;
    border-radius: 10px;
    border: 0;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    background: linear-gradient(135deg, var(--fialova), var(--indigo));
    margin-bottom: 1rem;
}

.sklo {
    background: var(--sklo);
    border: 1px solid var(--sklo-okraj);
    border-radius: 16px;
    padding: 1.2rem 1.4rem;
    margin-bottom: 1.2rem;
    backdrop-filter: blur(8px);
}

.sklo h3 { margin: 0 0 .8rem; font-size: 1.05rem; color: #fff; border-bottom: 1px solid var(--sklo-okraj); padding-bottom: .4rem; }
.stred { text-align: center; }

.mriezka { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; }
.mriezka .sklo { margin-bottom: 0; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dt { color: var(--text-tlmeny); font-size: .85rem; }
dd { margin: 0; font-weight: 600; word-break: break-word; }

.hlasenie { max-width: 1100px; margin: 0 auto 1.2rem; padding: .8rem 1rem; border-radius: 10px; font-weight: 600; }
.hlasenie.ok { background: rgba(38, 176, 80, .18); border: 1px solid rgba(38, 176, 80, .5); }
.hlasenie.chyba { background: rgba(229, 0, 0, .18); border: 1px solid rgba(229, 0, 0, .5); margin-top: 1rem; color: #7a0000; }
.upozornenia { border-color: rgba(255, 193, 7, .6); }
.upozornenia li { color: #ffd76a; }

.tabulka-obal { overflow-x: auto; }
.tabulka { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabulka th { text-align: left; color: var(--text-tlmeny); font-weight: 600; padding: .4rem .6rem; border-bottom: 1px solid var(--sklo-okraj); }
.tabulka td { padding: .5rem .6rem; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.vpravo { text-align: right !important; }

.sucty { margin-top: 1rem; margin-left: auto; max-width: 420px; }
.sucty div { display: flex; justify-content: space-between; gap: 1rem; padding: .2rem 0; color: var(--text-tlmeny); }
.sucty .spolu { color: #fff; font-size: 1.1rem; border-top: 1px solid var(--sklo-okraj); margin-top: .4rem; padding-top: .5rem; }
.sucty strong { color: #fff; }

.xml { background: rgba(0, 0, 0, .35); border-radius: 10px; padding: 1rem; overflow: auto; max-height: 480px; font-size: .8rem; color: #cfe8ff; }

.nahravacia-plocha { min-height: 3rem; }
.tlacidlo { min-height: 44px; box-sizing: border-box; }

@media (max-width: 768px) {
    .horne-menu { gap: 1rem; padding: .5rem .75rem; }
    .obsah { padding: 1.5rem .75rem .5rem; }
    .hero h1 { font-size: 1.9rem; }
    .mriezka { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 1.6rem; }
    .hero p br { display: none; }
    .karta-nahranie { padding: 1.1rem; border-radius: 14px; }
    .sklo { padding: 1rem; border-radius: 12px; }
    dl { grid-template-columns: 1fr; gap: 0; }
    dt { margin-top: .5rem; }
    .tabulka { font-size: .8rem; }
    .tabulka th, .tabulka td { padding: .35rem .4rem; }
    .sucty { max-width: none; }
    .sucty div { flex-wrap: wrap; }
    .tlacidlo { display: block; text-align: center; }
    .xml { font-size: .7rem; max-height: 320px; }
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "Nastala chyba."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}