/* Horní lišty — utility bar, vyhledávání, mega menu */

:root {
    --utility-bar-height: 34px;
    --nav-mega-height: min(420px, 62vh);
    --search-strip-height: 52px;
    --topbar-dropdown-max-height: calc(var(--breadcrumb-height) + var(--search-strip-height) + var(--nav-mega-height));
    --site-header-height: calc(var(--utility-bar-height) + var(--topbar-height));
}

header.site-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
}

.site-utility-bar {
    display: block;
    position: relative;
    z-index: 4;
    box-sizing: border-box;
    height: var(--utility-bar-height);
    min-height: var(--utility-bar-height);
    padding-top: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background-color: var(--color-linen);
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-utility-bar__inner {
    width: min(92%, 1400px);
    margin: 0 auto;
    min-height: var(--utility-bar-height);
    height: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-utility-bar__left,
.site-utility-bar__right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-utility-account {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-utility-account__item {
    position: relative;
}

.site-utility-account__trigger {
    border: none;
    background: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    font: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    color: rgba(243, 245, 247, 0.82);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-utility-bar a,
.site-utility-account__trigger,
.site-utility-bar__label {
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: uppercase;
}

.site-utility-bar a,
.site-utility-account__trigger {
    color: rgba(243, 245, 247, 0.82);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-utility-bar a:hover,
.site-utility-bar a:focus-visible,
.site-utility-account__trigger:hover,
.site-utility-account__trigger:focus-visible {
    color: #fff;
}

.site-utility-bar__icon {
    display: none;
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
}

.site-utility-bar__action--icon {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.site-auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 2rem);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 200ms ease, visibility 0s linear 200ms;
}

.site-auth-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}

.site-auth-overlay[hidden] {
    display: none !important;
}

body.is-auth-overlay-open {
    overflow: hidden;
}

.site-auth-overlay__backdrop {
    position: absolute;
    inset: 0;
    border: none;
    padding: 0;
    margin: 0;
    background: rgba(8, 10, 12, 0.72);
    cursor: pointer;
}

.site-auth-overlay__dialog {
    position: relative;
    z-index: 1;
    width: min(24rem, 92vw);
    max-height: min(88vh, 720px);
    overflow: auto;
    border-radius: 0.625rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.55);
}

.site-auth-overlay__close {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    z-index: 2;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 0.375rem;
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.site-auth-overlay__close:hover,
.site-auth-overlay__close:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.site-utility-auth-panel {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0.625rem;
    background: rgba(22, 28, 34, 0.98);
    padding: 1.35rem 1rem 1rem;
    backdrop-filter: blur(8px);
}

.site-utility-auth-panel__title {
    margin: 0 0 0.75rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #fff;
}

.site-utility-auth-panel__hint {
    margin: 0.65rem 0 0;
    font-family: var(--font-body);
    font-size: 0.72rem;
    line-height: 1.45;
    color: rgba(167, 176, 184, 0.92);
}

.site-utility-auth-panel__divider {
    margin: 0.75rem 0;
    text-align: center;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(167, 176, 184, 0.75);
}

.site-utility-auth-form {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.site-utility-auth-form__label {
    font-family: var(--font-body);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.site-utility-auth-form__input {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.04);
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.82rem;
    box-sizing: border-box;
}

.site-utility-auth-form__input:focus {
    outline: 2px solid var(--accent-blue-soft);
    outline-offset: 1px;
}

.site-utility-auth-form__submit {
    margin-top: 0.35rem;
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--accent-blue-soft);
    background: var(--accent-blue);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
}

.site-utility-auth-form__submit:hover {
    filter: brightness(1.08);
}

.site-utility-auth-form__google {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    box-sizing: border-box;
}

.site-utility-auth-form__google:hover,
.site-utility-auth-form__google:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.site-utility-account__links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-utility-account__card {
    display: none;
}

/* shadcn-inspired Card (vanilla CSS) */

.ui-card {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0.625rem;
    background: rgba(22, 28, 34, 0.96);
    color: rgba(243, 245, 247, 0.92);
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.42),
        0 1px 2px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(8px);
}

.ui-card__header {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem 1rem 0.65rem;
}

.ui-card__title {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: #fff;
}

.ui-card__description {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.45;
    color: rgba(167, 176, 184, 0.92);
}

.ui-card__content {
    padding: 0 1rem 1rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.5;
    color: rgba(190, 200, 208, 0.88);
}

.ui-card__content p {
    margin: 0;
}

.site-topbar {
    position: relative;
    z-index: 3;
    min-height: var(--topbar-height);
    display: flex;
    flex-direction: column;
}

.site-topbar .nav-container {
    flex: 1;
    gap: 1rem;
}

.site-topbar-dropdown {
    position: absolute;
    top: var(--topbar-height);
    left: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background: var(--antracit);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    z-index: 2;
    transition:
        max-height 280ms ease,
        opacity 200ms ease,
        visibility 0s linear 280ms;
}

.site-topbar:hover .site-topbar-dropdown,
.site-header.is-nav-open .site-topbar-dropdown,
.site-header.is-breadcrumb-open .site-topbar-dropdown,
.site-header:focus-within .site-topbar-dropdown {
    max-height: var(--topbar-dropdown-max-height);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    overflow: visible;
    transition-delay: 0s;
}

.site-topbar-search-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4%;
    min-height: var(--search-strip-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--antracit);
    box-sizing: border-box;
}

.site-topbar-search-strip__inner {
    width: min(92%, 560px);
    overflow: visible;
}

.site-nav-mega {
    width: 100%;
    max-height: var(--nav-mega-height);
    overflow-y: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(30, 35, 39, 0.98);
}

.site-nav-mega__inner {
    width: min(92%, 1400px);
    margin: 0 auto;
    padding: 1.15rem 0 1.35rem;
}

.site-nav-mega__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 1.15rem clamp(1.75rem, 4.5vw, 3.25rem);
}

.site-nav-mega__column {
    flex: 0 0 auto;
    text-align: center;
}

.site-nav-mega__heading {
    display: block;
    margin-bottom: 0.55rem;
    font-family: var(--font-heading);
    font-size: 0.92rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(243, 245, 247, 0.95);
    text-decoration: none;
    text-align: center;
}

.site-nav-mega__heading--static {
    cursor: default;
}

.site-nav-mega__heading:hover,
.site-nav-mega__heading:focus-visible {
    color: #fff;
}

.site-nav-mega__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.site-nav-mega__list a {
    display: block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(167, 176, 184, 0.92);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-nav-mega__list a:hover,
.site-nav-mega__list a:focus-visible {
    color: #fff;
}

.site-search__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.04);
    box-sizing: border-box;
}

.site-search:focus-within {
    border-color: rgba(58, 83, 100, 0.95);
    background: rgba(255, 255, 255, 0.06);
}

.site-search__icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

.site-search__input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.88rem;
    outline: none;
}

.site-search__input::placeholder {
    color: rgba(167, 176, 184, 0.75);
}

.site-search__results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--border-soft);
    background: var(--panel-bg);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    z-index: 1400;
}

.site-search__results:not([hidden]) {
    display: block;
}

.site-search__result {
    display: block;
    padding: 0.65rem 0.85rem;
    text-decoration: none;
    color: var(--accent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-search__result:last-child {
    border-bottom: none;
}

.site-search__result:hover,
.site-search__result:focus-visible {
    background: rgba(255, 255, 255, 0.05);
}

.site-search__result-title {
    display: block;
    font-size: 0.9rem;
}

.site-search__result-cat {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.72rem;
    color: var(--accent-blue-soft);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.site-search__empty {
    padding: 0.75rem 0.85rem;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.site-icon-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.03);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.site-icon-btn:hover,
.site-icon-btn:focus-visible {
    border-color: rgba(58, 83, 100, 0.95);
    background: rgba(255, 255, 255, 0.06);
}

.site-icon-btn[aria-expanded="true"] {
    border-color: var(--accent-blue-soft);
}

@media (max-width: 768px) {
    .site-utility-bar {
        font-size: 0.68rem;
    }

    .site-utility-bar,
    .site-utility-bar a,
    .site-utility-account__trigger,
    .site-utility-bar__label {
        text-transform: uppercase;
        letter-spacing: 0.08em;
    }

    .site-utility-bar__left,
    .site-utility-bar__right,
    .site-utility-account__links {
        gap: 0.75rem;
    }

    .site-utility-account__links,
    .site-utility-account {
        display: flex;
        align-items: center;
    }

    .site-utility-account__links a:not(.site-utility-bar__action--icon),
    .site-utility-account__trigger:not(.site-utility-bar__action--icon) {
        order: 1;
    }

    .site-utility-account__links a.site-utility-bar__action--icon,
    .site-utility-account__trigger.site-utility-bar__action--icon {
        order: 2;
    }

    .site-utility-bar__action--icon .site-utility-bar__icon {
        display: block;
    }

    .site-utility-bar__action--icon .site-utility-bar__label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .site-utility-bar__action--icon {
        position: relative;
        justify-content: center;
        min-width: 2rem;
        min-height: 1.75rem;
        padding: 0.15rem;
    }

    .site-utility-account__card {
        display: none;
    }

    .site-topbar-search-strip__inner {
        width: min(92%, 420px);
    }

    .site-nav-mega__grid {
        gap: 1rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .site-nav-mega__grid {
        gap: 0.85rem 1.25rem;
    }
}

/* Přihlašovací formuláře */
.page-content-narrow {
    max-width: 40rem;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 36px) 3rem;
}

.auth-form {
    max-width: 28rem;
    margin: 0 auto 3rem;
    padding: 0 clamp(16px, 4vw, 36px);
    font-family: var(--font-body);
}

.auth-form__field {
    margin-bottom: 1rem;
}

.auth-form__field label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.auth-form__input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.04);
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.95rem;
    box-sizing: border-box;
}

.auth-form__input:focus {
    outline: 2px solid var(--accent-blue-soft);
    outline-offset: 1px;
}

.auth-form__input:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.auth-form__textarea {
    min-height: 10rem;
    resize: vertical;
    line-height: 1.55;
}

.auth-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.auth-form__hint {
    margin: 1.25rem 0 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.auth-form__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1.35rem;
}

.auth-form__submit {
    padding: 0.65rem 1.25rem;
    border: 1px solid var(--accent-blue-soft);
    background: var(--accent-blue);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.auth-form__submit:hover {
    filter: brightness(1.08);
}

.auth-form__link {
    color: var(--accent-blue-soft);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
}

.auth-form__link:hover {
    color: #fff;
}

.auth-form-message {
    max-width: 28rem;
    margin: 0 auto 1.25rem;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    border: 1px solid var(--border-soft);
}

.auth-form-message--error {
    color: #f0b4b4;
    background: rgba(180, 60, 60, 0.12);
}

.auth-form-message--success {
    color: #b8e0c8;
    background: rgba(60, 120, 80, 0.15);
}

.auth-form__oauth {
    margin-top: 1rem;
}

.auth-form__oauth .site-utility-auth-form__google {
    max-width: 28rem;
    margin: 0 auto;
}

.auth-form-message--info {
    color: rgba(190, 200, 208, 0.92);
    background: rgba(255, 255, 255, 0.04);
}

@media (max-width: 560px) {
    .auth-form__grid {
        grid-template-columns: 1fr;
    }
}

/* Přebít legacy style.css — admin model: sticky header, bez safe-area hacků */
header.site-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: sticky;
    top: 0;
    width: 100%;
    height: auto;
    padding-top: 0;
    overflow: visible;
    background-color: var(--color-linen);
    background-clip: border-box;
    z-index: 100;
    box-sizing: border-box;
    border-bottom: 1px solid var(--border-hairline);
    box-shadow: none;
}

header.site-header::before,
header.site-header::after {
    content: none !important;
    display: none !important;
}

.site-utility-bar,
.site-topbar {
    background-color: var(--color-linen);
}

@media (max-width: 768px) {
    header.site-header {
        background: var(--color-linen) !important;
        background-color: var(--color-linen) !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        box-shadow: none;
    }

    .site-utility-bar,
    .site-topbar {
        background-color: var(--color-linen) !important;
    }
}