/* En-tête : marque, recherche, menu principal, menus déroulants, heure */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 2px 24px;
    min-height: 64px;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand-mark {
    flex: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent), 0 0 22px color-mix(in srgb, var(--accent) 60%, transparent);
    transition: background 0.8s var(--ease), box-shadow 0.8s var(--ease);
}

.brand-title {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.brand-date {
    margin: 2px 0 0;
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.clock {
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.clock time {
    font-size: clamp(2rem, 4.6vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.03em;
    line-height: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px;
}

.search-icon {
    position: absolute;
    left: 12px;
    width: 17px;
    height: 17px;
    color: var(--muted);
    pointer-events: none;
}

.search-input {
    flex: 1;
    min-width: 0;
    height: 38px;
    padding: 0 12px 0 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    font-size: 0.9rem;
}

.search-input::placeholder {
    color: var(--muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--line-strong);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--violet) 22%, transparent);
}

.search-input::-webkit-search-cancel-button {
    filter: invert(0.7);
}

.page > .search {
    margin: 0 0 16px;
}

.topbar > .search {
    flex: 0 1 560px;
    margin: 0 auto;
}

.topbar .search-input {
    height: 44px;
    font-size: 0.95rem;
    padding-left: 40px;
    background: rgba(255, 255, 255, 0.045);
}

.topbar .search-icon {
    left: 14px;
}

@media (max-width: 960px) {
    .topbar > .search {
        order: 3;
        flex: 1 1 100%;
        margin: 0;
    }
}

@media (max-width: 720px) {
    .topbar {
        flex-wrap: wrap;
        align-items: flex-end;
    }
}

@media (max-width: 960px) {
    .topbar {
        flex-wrap: wrap;
    }
}

@media (max-width: 720px) {
    .topbar-right {
        flex: 1 1 100%;
        justify-content: space-between;
        gap: 12px;
    }
}

@media (max-width: 560px) {
    .topbar-right {
        gap: 8px;
    }
}

@media (min-width: 961px) {
    .topbar {
        padding: 22px 4px 56px;
        min-height: 120px;
        gap: 32px;
    }

    .brand-mark {
        width: 14px;
        height: 14px;
    }

    .topbar > .search {
        flex-basis: 620px;
    }

    .topbar .search-input {
        height: 52px;
        font-size: 1rem;
        padding-left: 46px;
        border-radius: 12px;
    }

    .topbar .search-icon {
        left: 16px;
        width: 19px;
        height: 19px;
    }

    .brand-date {
        font-size: 1.4rem;
        font-weight: 550;
        margin-top: 4px;
        color: var(--text-2);
    }

    .brand-title {
        font-size: 0.76rem;
    }

    .clock time {
        font-size: 3.4rem;
    }
}

.site-nav {
    display: flex;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-2);
}

.site-nav a {
    padding: 6px 12px;
    border-radius: 7px;
    color: var(--text-2);
    font-size: 0.86rem;
    font-weight: 550;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav a:hover {
    color: var(--text);
    background: var(--surface-3);
}

.site-nav a[aria-current="page"] {
    color: var(--text);
    background: var(--surface-3);
    box-shadow: inset 0 0 0 1px var(--line-strong);
}

.nav-short {
    display: none;
}

.menu {
    position: relative;
}

.menu-btn {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-2);
    color: var(--text-2);
    cursor: pointer;
}

.menu-btn:hover,
.menu-btn[aria-expanded="true"] {
    color: var(--text);
    border-color: var(--line-strong);
}

.ui-icon {
    width: 18px;
    height: 18px;
    flex: none;
}

.menu-list {
    position: absolute;
    z-index: 30;
    top: calc(100% + 6px);
    right: 0;
    display: grid;
    gap: 2px;
    min-width: 240px;
    padding: 6px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--menu-bg);
    box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.55);
}

.menu-list[hidden] {
    display: none;
}

.menu-list > button {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 10px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-size: 0.86rem;
    text-align: left;
    cursor: pointer;
}

.menu-list > button:hover {
    background: var(--surface-3);
}

.menu-list > button[aria-checked="true"] {
    background: var(--surface-3);
    box-shadow: inset 3px 0 0 var(--accent);
}

.menu-list > button span {
    display: grid;
    gap: 1px;
}

.menu-list small {
    color: var(--muted);
    font-size: 0.74rem;
}

.menu-list hr {
    width: 100%;
    margin: 4px 0;
    border: 0;
    border-top: 1px solid var(--line);
}

.menu-title {
    margin: 2px 6px 4px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.menu-note {
    margin: 6px 6px 2px;
    font-size: 0.72rem;
    color: var(--muted);
}

.menu-list > .check {
    padding: 6px 8px;
    border-radius: 7px;
    font-size: 0.86rem;
}

.menu-list > .check:hover {
    background: var(--surface-3);
}

.theme-icon {
    display: none;
}

html[data-theme-mode="system"] .theme-icon.is-system,
html[data-theme-mode="sun"] .theme-icon.is-sun,
html[data-theme-mode="light"] .theme-icon.is-light,
html[data-theme-mode="dark"] .theme-icon.is-dark {
    display: inline-flex;
}

.search-engine {
    position: absolute;
    right: 6px;
}

.search-engine-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 32px;
    padding: 0 8px 0 10px;
    border: 0;
    border-radius: 7px;
    background: var(--surface-3);
    color: var(--text-2);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}

.search-engine-btn:hover {
    color: var(--text);
}

.search-engine-btn .ui-icon {
    width: 14px;
    height: 14px;
}

.topbar .search-input {
    padding-right: 130px;
}

@media (max-width: 1280px) {
    .nav-long {
        display: none;
    }

    .nav-short {
        display: inline;
    }
}

@media (max-width: 560px) {
    .site-nav a {
        padding: 6px 8px;
        font-size: 0.8rem;
    }

    .menu-btn {
        width: 34px;
        height: 34px;
    }

    .clock time {
        font-size: 1.9rem;
    }

    .topbar .search-input {
        padding-right: 110px;
    }
}

.topbar > .search {
    min-width: 0;
}

.demo-tag {
    margin-left: 6px;
    padding: 1px 7px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--hp) 22%, transparent);
    color: var(--text);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    text-transform: none;
}