.top-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px 15px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

/* Embedded mode: the view runs inside a workspace tab (iframe); the shell
   already provides the global header, so hide it and let content fill. */
body.embedded .top-header {
    display: none;
}

body.embedded .app-container {
    padding: 0;
    margin: 0;
    max-width: none;
}

.logo-link {
    text-decoration: none;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--heading-color);
}

.logo .highlight {
    color: var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 12px;
    padding: 6px 12px;
    color: var(--text-muted);
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.15s;
}

.nav-link:hover {
    color: var(--text-color);
    background: var(--hover-bg);
}

.nav-link--bordered {
    border-color: var(--border-color);
    color: var(--text-color);
}

.nav-link--bordered:hover {
    background: var(--hover-bg);
}

.nav-link--cta {
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}

.nav-link--cta:hover {
    background: var(--accent-hover);
    color: #fff;
}

.nav-link--admin {
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

.nav-link--admin:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

/* Primary navigation group */
.primary-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link--active {
    color: var(--accent);
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
}

.nav-link--active:hover {
    background: transparent;
    color: var(--accent);
}

/* Page-specific actions, visually separated from navigation */
.page-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-actions:not(:empty) {
    padding-left: 8px;
    margin-left: 4px;
    border-left: 1px solid var(--border-color);
}

/* User dropdown menu */
.user-menu {
    position: relative;
}

.user-menu__trigger {
    font-size: 12px;
    padding: 6px 12px;
    color: var(--text-color);
    background: transparent;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s;
}

.user-menu__trigger:hover {
    background: var(--hover-bg);
}

.user-menu__trigger .caret {
    color: var(--text-muted);
    font-size: 10px;
}

.user-menu__panel {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    min-width: 160px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 50;
}

.user-menu.is-open .user-menu__panel {
    display: block;
}

.user-menu__item {
    display: block;
    padding: 9px 14px;
    font-size: 12px;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.user-menu__item:last-child {
    border-bottom: none;
}

.user-menu__item:hover {
    background: var(--hover-bg);
}

.user-menu__item--danger {
    color: var(--danger);
}

/* Header stock search (typeahead) */
.header-search {
    position: relative;
}

.header-search__input {
    width: 180px;
    font-size: 12px;
    padding: 6px 10px;
    color: var(--text-color);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.header-search__input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.12);
}

.header-search__results {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    margin: 0;
    padding: 0;
    list-style: none;
    max-height: 320px;
    overflow-y: auto;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
    z-index: 60;
}

.header-search__result {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 7px 10px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

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

.header-search__result.is-active,
.header-search__result:hover {
    background: var(--accent-bg);
}

.header-search__result .result-symbol {
    font-weight: 700;
    font-size: 12px;
    color: var(--text-color);
}

.header-search__result .result-name {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Light/dark theme toggle */
.theme-toggle {
    font-size: 13px;
    line-height: 1;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.15s;
}

.theme-toggle:hover {
    background: var(--hover-bg);
}

/* Mobile hamburger toggle — hidden on desktop */
.nav-toggle {
    display: none;
    font-size: 18px;
    line-height: 1;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: inline-block;
    }

    .header-actions {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 10px 15px;
        background: var(--panel-bg);
        border: 1px solid var(--border-color);
        border-top: none;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
        z-index: 40;
    }

    .header-actions.is-open {
        display: flex;
    }

    .primary-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link--active {
        border-bottom: none;
        border-left: 2px solid var(--accent);
    }

    .page-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .page-actions:not(:empty) {
        padding-left: 0;
        margin-left: 0;
        border-left: none;
        padding-top: 8px;
        margin-top: 4px;
        border-top: 1px solid var(--border-color);
    }

    .user-menu__panel {
        position: static;
        box-shadow: none;
        margin-top: 4px;
    }

    .header-search,
    .header-search__input {
        width: 100%;
    }
}