/* ============================================================
   EnforceGuard · Fluent 2 — APP SHELL (top header, no sidebar)
   One header for everything; account menu; theme toggle.
   ============================================================ */

.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--f-canvas);
}

/* ── Top header ─────────────────────────────────────────── */
.app-hdr {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--f-glass);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--f-stroke-2);
}

.app-hdr-inner {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    height: 60px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.app-hdr-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--f-font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--f-fg-1);
    text-decoration: none;
    flex: none;
}

.app-hdr-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: block;
}

.app-hdr-brand b {
    color: var(--f-brand-fg);
}

.app-hdr-nav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    margin-left: 0.5rem;
}

.app-hdr-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--f-fg-2);
    padding: 0.5rem 0.78rem;
    border-radius: var(--f-radius-m);
    text-decoration: none;
    transition: background var(--f-dur-fast) var(--f-ease), color var(--f-dur-fast) var(--f-ease);
    white-space: nowrap;
}

.app-hdr-link svg {
    width: 18px;
    height: 18px;
    opacity: 0.85;
}

.app-hdr-link:hover {
    background: var(--f-subtle-hover);
    color: var(--f-fg-1);
}

.app-hdr-link.active {
    background: var(--f-brand-tint-bg);
    color: var(--f-brand-tint-fg);
}

.app-hdr-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.app-iconbtn {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: none;
    border-radius: var(--f-radius-m);
    border: 1px solid transparent;
    background: transparent;
    color: var(--f-fg-2);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--f-dur-fast) var(--f-ease), color var(--f-dur-fast) var(--f-ease);
}

.app-iconbtn:hover {
    background: var(--f-subtle-hover);
    color: var(--f-fg-1);
}

.app-iconbtn svg {
    width: 20px;
    height: 20px;
}

.app-theme-toggle .ico-sun {
    display: none;
}

.app-theme-toggle .ico-moon {
    display: block;
}

[data-theme="dark"] .app-theme-toggle .ico-sun {
    display: block;
}

[data-theme="dark"] .app-theme-toggle .ico-moon {
    display: none;
}

/* Account dropdown (native <details>) */
.app-acct {
    position: relative;
}

.app-acct-trigger {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.25rem 0.55rem 0.25rem 0.3rem;
    border-radius: var(--f-radius-circle);
    user-select: none;
}

.app-acct-trigger::-webkit-details-marker {
    display: none;
}

.app-acct-trigger:hover {
    background: var(--f-subtle-hover);
}

.app-acct-trigger .name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--f-fg-1);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-acct-trigger .chev {
    width: 16px;
    height: 16px;
    color: var(--f-fg-3);
    transition: transform var(--f-dur-fast) var(--f-ease);
}

.app-acct[open] .app-acct-trigger .chev {
    transform: rotate(180deg);
}

.app-acct-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 224px;
    background: var(--f-surface);
    border: 1px solid var(--f-stroke-card);
    border-radius: var(--f-radius-xl);
    box-shadow: var(--f-shadow-16);
    padding: 6px;
    z-index: 60;
    animation: app-pop 0.14s ease both;
}

@keyframes app-pop {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.app-acct-head {
    padding: 0.5rem 0.65rem 0.6rem;
    border-bottom: 1px solid var(--f-stroke-2);
    margin-bottom: 4px;
}

.app-acct-head .n {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--f-fg-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-acct-head .s {
    font-size: 0.74rem;
    color: var(--f-fg-3);
}

.app-acct-menu a, .app-acct-menu button {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--f-fg-1);
    padding: 0.5rem 0.65rem;
    border-radius: var(--f-radius-m);
    text-decoration: none;
    cursor: pointer;
}

.app-acct-menu a:hover, .app-acct-menu button:hover {
    background: var(--f-subtle-hover);
}

.app-acct-menu svg {
    width: 17px;
    height: 17px;
    color: var(--f-fg-3);
    flex: none;
}

.app-acct-menu form {
    margin: 0;
}

.app-acct-menu .sep {
    height: 1px;
    background: var(--f-stroke-2);
    margin: 4px 0;
}

.app-acct-menu .danger, .app-acct-menu .danger svg {
    color: var(--f-danger-fg);
}

.app-hdr-burger {
    display: none;
}

/* ── Content ────────────────────────────────────────────── */
.app-main {
    flex: 1;
}

.app-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.75rem 1.5rem 3rem;
}

/* ── Mobile menu ────────────────────────────────────────── */
.app-hdr-mobile {
    display: none;
}

@media (max-width: 880px) {
    .app-hdr-nav, .app-acct {
        display: none;
    }

    .app-hdr-burger {
        display: grid;
    }

    .app-hdr-mobile {
        display: none;
        flex-direction: column;
        gap: 2px;
        padding: 0.5rem 1.5rem 1rem;
        border-bottom: 1px solid var(--f-stroke-2);
        background: var(--f-surface);
    }

    .app-hdr-mobile.open {
        display: flex;
    }

    .app-hdr-mobile a, .app-hdr-mobile button {
        display: flex;
        align-items: center;
        gap: 0.65rem;
        width: 100%;
        text-align: left;
        background: transparent;
        border: 0;
        font-family: inherit;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--f-fg-1);
        padding: 0.7rem 0.6rem;
        border-radius: var(--f-radius-m);
        text-decoration: none;
        cursor: pointer;
    }

    .app-hdr-mobile a:hover, .app-hdr-mobile button:hover {
        background: var(--f-subtle-hover);
    }

    .app-hdr-mobile a.active {
        background: var(--f-brand-tint-bg);
        color: var(--f-brand-tint-fg);
    }

    .app-hdr-mobile svg {
        width: 19px;
        height: 19px;
        color: var(--f-fg-3);
    }

    .app-hdr-mobile .sep {
        height: 1px;
        background: var(--f-stroke-2);
        margin: 5px 0;
    }

    .app-hdr-mobile .danger, .app-hdr-mobile .danger svg {
        color: var(--f-danger-fg);
    }

    .app-hdr-mobile form {
        margin: 0;
        width: 100%;
    }

    .app-content {
        padding: 1.25rem 1.1rem 2.5rem;
    }
}