/* ---- Základní reset ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    background-color: #f0f2f5;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background-color: transparent;
    color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 14px 20px 16px;
    position: relative;
}

/* Pozadí stránky s rozostřením (pouze index.html) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../protocol/img/bg.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    filter: blur(5px);
    transform: scale(1.08);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(240, 242, 245, 0.4);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1920px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-bottom: 0;
}

h1 {
    font-size: 19px;
    font-weight: 800;
    color: #1a1a2e;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.header-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: #ea521f;
}

/* ---- Sloupce ---- */
.columns-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    width: 100%;
    align-items: start;
}

@media (max-width: 1400px) {
    .columns-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
}

@media (max-width: 900px) {
    .columns-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.column-title {
    font-size: 13.5px;
    font-weight: 700;
    text-transform: uppercase;
    color: #1a1a2e;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid #1a1a2e;
    letter-spacing: 0.04em;
    min-height: 32px;
    display: flex;
    align-items: flex-end;
}

/* ---- Karty (Rozcestník) ---- */
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 86px;
    gap: 8px;
}

@media (max-width: 800px) {
    .cards {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        grid-auto-rows: auto;
    }

    .column-title {
        min-height: auto;
    }
}

.card {
    background: #fff;
    border-radius: 7px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    padding: 8px 10px 6px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 3.5px solid transparent;
    position: relative;
    text-align: center;
    height: 86px;
    box-sizing: border-box;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 22px;
    height: 22px;
    margin-bottom: 3px;
    flex-shrink: 0;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    display: block;
    color: inherit;
}

.card-title {
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: 1.15;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-desc {
    font-size: 9.5px;
    color: #546e7a;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Témata Protokolů */
.card.vlozeni {
    border-top-color: #ea521f;
}

.card.vlozeni .card-title,
.card.vlozeni .card-icon {
    color: #ea521f;
}

.card.vlozeni:hover {
    background: #fff7f4;
}

.card.validace {
    border-top-color: #4483fc;
}

.card.validace .card-title,
.card.validace .card-icon {
    color: #4483fc;
}

.card.validace:hover {
    background: #e2ecff;
}

.card.predani {
    border-top-color: #43a047;
}

.card.predani .card-title,
.card.predani .card-icon {
    color: #43a047;
}

.card.predani:hover {
    background: #e8f5e9;
}

.card.export {
    border-top-color: #cdc201;
}

.card.export .card-title,
.card.export .card-icon {
    color: #cdc201;
}

.card.export:hover {
    background: #fffeed;
}

.card.tabulky {
    border-top-color: #64748b;
}

.card.tabulky .card-title,
.card.tabulky .card-icon {
    color: #334155;
}

.card.tabulky:hover {
    background: #f8fafc;
}

.card.parcel,
.card.cors {
    border-top-color: #00838f;
}

.card.parcel .card-title,
.card.parcel .card-icon,
.card.cors .card-title,
.card.cors .card-icon {
    color: #00838f;
}

.card.parcel:hover,
.card.cors:hover {
    background: #e0f7fa;
}

.card.obecni {
    border-top-color: #111111;
}

.card.obecni .card-title,
.card.obecni .card-icon {
    color: #111111;
}

.card.obecni:hover {
    background: #f0f0f0;
}

.card.mapa {
    border-top-color: #8cd7ff;
}

.card.mapa .card-title,
.card.mapa .card-icon {
    color: #8cd7ff;
}

.card.mapa:hover {
    background: #e1f5fe;
}

.card.kalendar {
    border-top-color: #7c4dcf;
}

.card.kalendar .card-title,
.card.kalendar .card-icon {
    color: #7c4dcf;
}

.card.kalendar:hover {
    background: #f3eefb;
}

.card.svazitost {
    border-top-color: #00c853;
}

.card.svazitost .card-title,
.card.svazitost .card-icon {
    color: #00c853;
}

.card.svazitost:hover {
    background: #eafbf0;
}

.card.propagace {
    border-top-color: #ff7899;
}

.card.propagace .card-title,
.card.propagace .card-icon {
    color: #ff7899;
}

.card.propagace:hover {
    background: #ffe6ee;
}

.card.obalka,
.card.post-label {
    border-top-color: #b94a0c;
}

.card.obalka .card-title,
.card.obalka .card-icon,
.card.post-label .card-title,
.card.post-label .card-icon {
    color: #b94a0c;
}

.card.obalka:hover,
.card.post-label:hover {
    background: #fbf2ec;
}

/* Témata Pasportů */
.card.kom {
    border-top-color: #ff7b00;
}

.card.kom .card-title,
.card.kom .card-icon {
    color: #ff7b00;
}

.card.kom:hover {
    background: #fff7f4;
}

.card.dz {
    border-top-color: #ff0400;
}

.card.dz .card-title,
.card.dz .card-icon {
    color: #ff0400;
}

.card.dz:hover {
    background: #ffebee;
}

.card.ndz {
    border-top-color: #e00000;
}

.card.ndz .card-title,
.card.ndz .card-icon {
    color: #e00000;
}

.card.ndz:hover {
    background: #ffebee;
}

.card.kan {
    border-top-color: #774122;
}

.card.kan .card-title,
.card.kan .card-icon {
    color: #774122;
}

.card.kan:hover {
    background: #efebe9;
}

.card.vod {
    border-top-color: #2247e9;
}

.card.vod .card-title,
.card.vod .card-icon {
    color: #2247e9;
}

.card.vod:hover {
    background: #c2d7ff;
}

.card.vo {
    border-top-color: #a62cbe;
}

.card.vo .card-title,
.card.vo .card-icon {
    color: #a62cbe;
}

.card.vo:hover {
    background: #f3e5f5;
}

.card.or {
    border-top-color: #ff00c8;
}

.card.or .card-title,
.card.or .card-icon {
    color: #ff00c8;
}

.card.or:hover {
    background: #fce4ec;
}

.card.hrb {
    border-top-color: #424242;
}

.card.hrb .card-title,
.card.hrb .card-icon {
    color: #424242;
}

.card.hrb:hover {
    background: #f5f5f5;
}

.card.zel {
    border-top-color: #2e7d32;
}

.card.zel .card-title,
.card.zel .card-icon {
    color: #2e7d32;
}

.card.zel:hover {
    background: #e8f5e9;
}

.card.akt {
    border-top-color: #9d9800;
}

.card.akt .card-title,
.card.akt .card-icon {
    color: #9d9800;
}

.card.akt:hover {
    background: #fffde7;
}

/* ---- Instrukce pod nadpisem ---- */
.header-notice {
    margin: 35px auto 38px;
    font-size: 10.5px;
    color: #666666;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    max-width: 900px;
    line-height: 1.4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.notice-icon {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    color: #ea521f;
}

.header-notice strong {
    color: #1a1a2e;
    font-weight: 700;
}

/* ---- Tooltip pro kontakt ---- */
.has-tooltip {
    position: relative;
    color: inherit;
    text-decoration: underline dotted #ea521f;
    text-underline-offset: 3px;
    cursor: pointer;
    transition: color 0.15s ease;
}

.has-tooltip:hover {
    color: #ea521f;
}

.has-tooltip.tooltip-radek {
    text-decoration-color: #4483fc;
}

.has-tooltip.tooltip-radek:hover {
    color: #4483fc;
}

.has-tooltip.tooltip-bara {
    text-decoration-color: #ff4186;
}

.has-tooltip.tooltip-bara:hover {
    color: #ff4186;
}

.has-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 7px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #1a1a2e;
    color: #ffffff;
    font-size: 10px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.02em;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    z-index: 100;
}

.has-tooltip::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    border: 5px solid transparent;
    border-top-color: #1a1a2e;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 100;
}

.has-tooltip:hover::after,
.has-tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ---- Hledání / Filtrace ---- */
.search-container {
    width: 100%;
    max-width: 440px;
    margin: 0 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.search-box {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    width: 15px;
    height: 15px;
    color: #90a4ae;
    pointer-events: none;
    transition: color 0.2s ease;
}

.search-input {
    width: 100%;
    height: 34px;
    padding: 0 32px 0 34px;
    font-size: 12px;
    font-family: inherit;
    color: #1a1a2e;
    background: #ffffff;
    border: 1.5px solid #cfd8dc;
    border-radius: 20px;
    outline: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input::placeholder {
    color: #90a4ae;
    font-size: 11.5px;
}

.search-input:focus {
    border-color: #ea521f;
    box-shadow: 0 0 0 3px rgba(234, 82, 31, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
}

.search-box:focus-within .search-icon {
    color: #ea521f;
}

.search-clear {
    position: absolute;
    right: 8px;
    width: 18px;
    height: 18px;
    border: none;
    background: #eceff1;
    color: #546e7a;
    border-radius: 50%;
    font-size: 13px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    padding: 0;
}

.search-clear:hover {
    background: #cfd8dc;
    color: #263238;
}

.search-count {
    font-size: 10px;
    color: #78909c;
    margin-top: 4px;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.card.search-hidden {
    display: none !important;
}

.column.search-hidden {
    display: none !important;
}

.no-results-msg {
    text-align: center;
    padding: 24px 20px;
    color: #78909c;
    font-size: 12.5px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    margin: 0 0 16px;
    width: 100%;
    max-width: 500px;
    display: none;
}

/* ---- Nový spodní footer ---- */
.footer-bottom {
    margin-top: 22px;
    padding-top: 12px;
    border-top: 1px solid #292929;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 11px;
    color: #505050;
}

.footer-bottom a {
    color: #455a64;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-bottom a:hover {
    color: #ea521f;
    text-decoration: underline;
}

.footer-github-icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
    display: inline-block;
    vertical-align: middle;
}

.footer-separator {
    color: #4f4f4f;
    user-select: none;
}