/*
 * CHOP Service application shell v2
 * Header/navigation only. Page-specific styles remain in styles.css.
 *
 * Layout contract:
 *  1) NAV mass  — page links (+ admin dropdown), wraps in ~1-2 rows
 *  2) ACCOUNT   — duty / theme / logout, always a separate strip
 */

:root {
    --shell-header-bg: #101827;
    --shell-header-text: #f8fafc;
    --shell-header-muted: #cbd5e1;
    --shell-header-border: rgba(255, 255, 255, 0.12);
    --shell-link-bg: rgba(255, 255, 255, 0.08);
    --shell-link-hover: rgba(255, 255, 255, 0.16);
    --shell-link-active: #2563eb;
    --shell-focus: #93c5fd;
    --shell-radius: 10px;
}

[data-theme="dark"] {
    --shell-header-bg: #0b1220;
    --shell-header-border: rgba(255, 255, 255, 0.14);
    --shell-link-bg: rgba(255, 255, 255, 0.07);
    --shell-link-hover: rgba(255, 255, 255, 0.14);
}

.skip-link {
    position: fixed;
    z-index: 10000;
    top: 8px;
    left: 8px;
    padding: 10px 14px;
    border-radius: 8px;
    background: #fff;
    color: #111827;
    font-weight: 700;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.app-header.topbar {
    position: relative;
    z-index: 1000;
    background: var(--shell-header-bg) !important;
    color: var(--shell-header-text) !important;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.18);
}

/* Two stacked zones: nav mass, then account strip */
.app-header__inner.topbar-inner {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    min-height: 0;
    padding-top: 8px !important;
    padding-bottom: 8px !important;
}

/* ===== NAV MASS ===== */
.app-header__nav-scroll {
    display: block !important;
    width: 100% !important;
    min-width: 0;
    margin: 0 !important;
    overflow: visible !important;
}

.app-nav.main-nav {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    align-content: flex-start !important;
    gap: 6px !important;
    width: 100%;
    min-width: 0;
}

.app-nav__dropdown.nav-dropdown {
    position: relative;
    display: inline-flex !important;
    flex: 0 0 auto !important;
    width: auto !important;
}

.app-nav__link.nav-btn,
.app-nav__admin-toggle.nav-admin-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-height: 36px !important;
    width: auto !important;
    max-width: 100%;
    margin: 0 !important;
    padding: 0 11px !important;
    border: 1px solid var(--shell-header-border) !important;
    border-radius: var(--shell-radius) !important;
    background: var(--shell-link-bg) !important;
    color: var(--shell-header-text) !important;
    box-shadow: none !important;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.15;
    white-space: nowrap;
    transform: none !important;
    flex: 0 0 auto !important;
}

.app-nav__link.nav-btn:hover,
.app-nav__link.nav-btn:focus-visible,
.app-nav__admin-toggle.nav-admin-toggle:hover,
.app-nav__admin-toggle.nav-admin-toggle:focus-visible {
    background: var(--shell-link-hover) !important;
    border-color: rgba(255, 255, 255, 0.24) !important;
    filter: none !important;
}

.app-nav__link.is-active {
    background: var(--shell-link-active) !important;
    border-color: var(--shell-link-active) !important;
}

.app-nav__link:focus-visible,
.app-header__icon-btn:focus-visible,
.app-header__logout:focus-visible,
.app-nav__admin-toggle:focus-visible,
.app-nav__dropdown-menu a:focus-visible {
    outline: 3px solid var(--shell-focus);
    outline-offset: 2px;
}

.app-nav__admin-toggle .nav-admin-icon {
    width: auto;
    height: auto;
    background: transparent;
}

/* ===== ACCOUNT STRIP (always separate) ===== */
.app-header__account.topbar-user {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 6px !important;
    width: 100% !important;
    min-width: 0;
    margin: 0 !important;
    padding-top: 8px !important;
    border-top: 1px solid var(--shell-header-border);
    box-sizing: border-box;
}

.app-header__account--guest {
    justify-content: flex-start !important;
}

.app-header__actions {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    gap: 6px !important;
    flex: 0 0 auto !important;
    width: auto !important;
    margin: 0 !important;
}

.app-header__duty.duty-badge {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    min-width: 0;
    min-height: 36px !important;
    width: auto !important;
    max-width: max-content;
    margin: 0 !important;
    margin-right: auto !important; /* keep duty left, actions right; do not grow */
    padding: 0 10px !important;
    border: 1px solid rgba(74, 222, 128, 0.35) !important;
    border-radius: var(--shell-radius) !important;
    background: rgba(22, 163, 74, 0.28) !important;
    color: #f8fafc !important;
    box-shadow: none !important;
    text-decoration: none !important;
    flex: 0 1 auto !important; /* size to content, may shrink if tight */
    grid-column: auto !important;
    grid-row: auto !important;
}

.app-header__duty .duty-badge-label {
    color: #bbf7d0 !important;
    font-size: 11px !important;
    font-weight: 800 !important;
}

.app-header__duty .duty-badge-name {
    color: #f8fafc !important;
    max-width: min(46vw, 220px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 800 !important;
}

.app-header__icon-btn.nav-btn,
.app-header__logout.nav-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-height: 36px !important;
    width: auto !important;
    margin: 0 !important;
    padding: 0 11px !important;
    border: 1px solid var(--shell-header-border) !important;
    border-radius: var(--shell-radius) !important;
    background: var(--shell-link-bg) !important;
    color: var(--shell-header-text) !important;
    box-shadow: none !important;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.15;
    white-space: nowrap;
    transform: none !important;
    flex: 0 0 auto !important;
    grid-column: auto !important;
    grid-row: auto !important;
}

.app-header__icon-btn.nav-btn:hover,
.app-header__icon-btn.nav-btn:focus-visible,
.app-header__logout.nav-btn:hover,
.app-header__logout.nav-btn:focus-visible {
    background: var(--shell-link-hover) !important;
    border-color: rgba(255, 255, 255, 0.24) !important;
    filter: none !important;
}

.app-header__icon-btn {
    width: 36px !important;
    min-width: 36px !important;
    padding: 0 !important;
}

.app-header__logout {
    background: rgba(220, 38, 38, 0.16) !important;
}

/* ===== Dropdown menu ===== */
.app-nav__dropdown-menu.nav-dropdown-menu {
    display: none !important;
    position: fixed;
    z-index: 4000;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: max-content;
    min-width: 250px;
    max-width: min(340px, calc(100vw - 24px));
    max-height: min(70vh, 620px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px;
    border: 1px solid var(--line, #dbe3ee);
    border-radius: 12px;
    background: var(--card, #fff);
    color: var(--text, #18212f);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.24);
}

.app-nav__dropdown.is-open .app-nav__dropdown-menu,
.app-nav__dropdown-menu.nav-dropdown-menu.is-open {
    display: grid !important;
    gap: 3px;
}

.app-header.is-dropdown-open {
    overflow: visible !important;
}

html.shell-dropdown-open,
html.shell-dropdown-open body {
    overflow-x: hidden;
}

html.shell-dropdown-open body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 3500;
    background: rgba(15, 23, 42, 0.28);
    pointer-events: none;
}

@media (min-width: 1181px) {
    html.shell-dropdown-open body::before {
        display: none;
    }
}

.app-nav__dropdown-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: inherit !important;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.25;
}

.app-nav__dropdown-menu a:hover,
.app-nav__dropdown-menu a:focus-visible {
    background: var(--accent-soft, #e8f0ff) !important;
    color: var(--accent, #1f6feb) !important;
}

.page-content:focus {
    outline: none;
}

/* Wide screens: nav left, account strip stays full-width under nav
   (always separate from the nav mass, as requested). */
@media (min-width: 1100px) {
    .app-header__inner.topbar-inner {
        gap: 10px !important;
    }

    .app-nav__link.nav-btn,
    .app-nav__admin-toggle.nav-admin-toggle,
    .app-header__icon-btn.nav-btn,
    .app-header__logout.nav-btn,
    .app-header__duty.duty-badge {
        min-height: 38px !important;
        font-size: 14px;
    }
}

@media (max-width: 720px) {
    .app-header__inner.topbar-inner {
        gap: 7px !important;
        padding-top: 8px !important;
        padding-bottom: 8px !important;
    }

    .app-nav.main-nav {
        gap: 5px !important;
    }

    .app-nav__link.nav-btn,
    .app-nav__admin-toggle.nav-admin-toggle {
        min-height: 34px !important;
        padding-inline: 9px !important;
        font-size: 12px;
    }

    .app-header__account.topbar-user {
        gap: 6px !important;
        padding-top: 7px !important;
    }

    .app-header__duty.duty-badge,
    .app-header__icon-btn.nav-btn,
    .app-header__logout.nav-btn {
        min-height: 34px !important;
        font-size: 12px;
    }

    .app-header__duty .duty-badge-name {
        max-width: min(42vw, 140px);
    }

    .app-nav__dropdown-menu.nav-dropdown-menu {
        top: auto;
        right: 10px;
        bottom: 10px;
        left: 10px;
        width: auto;
        max-width: none;
        max-height: min(72vh, 620px);
    }
}

@media (max-width: 440px) {
    .app-header__duty .duty-badge-name {
        max-width: min(38vw, 110px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .skip-link,
    .app-header *,
    .app-header *::before,
    .app-header *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}