html,
body {
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(var(--primary-rgb, 12, 124, 89), 0.14), transparent 28%),
        radial-gradient(circle at top right, rgba(var(--secondary-rgb, 196, 181, 253), 0.14), transparent 24%),
        var(--app-bg);
    color: var(--app-text);
}

body {
    font-family: var(--font-family);
}

.app-shell {
    min-height: 100vh;
    color: var(--app-text);
}

.app-shell__body {
    display: grid;
    grid-template-columns: var(--app-sidebar-width, calc(var(--app-rail-width) + var(--app-module-width))) minmax(0, 1fr);
    min-height: 100vh;
}

.app-sidebar-stack {
    position: sticky;
    top: 0;
    display: grid;
    grid-template-columns: var(--app-rail-width) minmax(0, 1fr);
    height: 100vh;
    min-width: 0;
    overflow: hidden;
}

.app-rail,
.app-module-panel {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 1.25rem 1rem;
    overflow: hidden;
    min-height: 0;
}

.app-rail {
    background: rgba(15, 23, 42, 0.94);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    gap: 1rem;
}

.app-rail__brand {
    display: flex;
    justify-content: center;
}

.app-rail__brand-link {
    text-decoration: none;
}

.app-rail__brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--app-primary), var(--app-accent));
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.08em;
    box-shadow: 0 18px 32px rgba(var(--primary-rgb, 12, 124, 89), 0.3);
}

.app-rail__brand-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.app-rail__body {
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: 0.8rem;
    flex: 1;
}

.app-rail__eyebrow {
    color: rgba(var(--secondary-rgb, 196, 181, 253), 0.92);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
}

.app-rail__nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 0.2rem;
    align-content: start;
}

.app-rail__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    min-height: 82px;
    padding: 0.75rem 0.35rem;
    border-radius: 18px;
    color: rgba(226, 232, 240, 0.78);
    text-decoration: none;
    transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.app-rail__item i {
    font-size: 1.1rem;
}

.app-rail__item span {
    font-size: 0.72rem;
    text-align: center;
    line-height: 1.2;
    word-break: break-word;
}

.app-rail__item:hover,
.app-rail__item.is-active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateY(-1px);
}

.app-module-panel {
    background: rgba(255, 255, 255, 0.74);
    backdrop-filter: blur(18px);
    border-right: 1px solid var(--app-border);
    flex-direction: column;
    gap: 1rem;
}

[data-bs-theme="dark"] .app-module-panel {
    background: rgba(2, 6, 23, 0.72);
}

.app-module-panel__header {
    display: flex;
    gap: 0.95rem;
    align-items: center;
}

.app-module-panel__icon {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb, 12, 124, 89), 0.12);
    color: var(--app-primary);
    font-size: 1.2rem;
}

.app-module-panel__eyebrow,
.app-topbar__eyebrow,
.app-mobile-drawer__eyebrow {
    color: var(--app-accent);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.app-module-panel__title,
.app-topbar__title,
.app-mobile-drawer__title {
    margin: 0;
    font-weight: 800;
}

.app-module-panel__nav {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 0.2rem;
}

.app-module-panel__link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem 0.9rem;
    border-radius: 16px;
    color: var(--app-text);
    text-decoration: none;
    background: transparent;
    border: 1px solid transparent;
}

.app-module-panel__link:hover,
.app-module-panel__link.is-active {
    background: linear-gradient(135deg, rgba(var(--secondary-rgb, 196, 181, 253), 0.12), var(--app-surface-strong));
    border-color: rgba(var(--secondary-rgb, 196, 181, 253), 0.28);
    box-shadow: var(--app-shadow);
}

.app-module-panel__link-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb, 12, 124, 89), 0.1);
    color: var(--app-primary);
}

.app-module-panel__body {
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-module-panel__empty {
    margin-top: auto;
    margin-bottom: auto;
    color: var(--app-muted);
}

.app-sidebar-resizer {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 18px;
    transform: translateX(50%);
    border: 0;
    background: transparent;
    cursor: col-resize;
    z-index: 3;
}

.app-sidebar-resizer span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 72px;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    background: rgba(100, 116, 139, 0.32);
    box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.24);
}

.app-sidebar-stack.is-collapsed {
    grid-template-columns: minmax(0, 1fr);
}

.app-sidebar-stack.is-collapsed .app-module-panel {
    display: none;
}

.app-shell__workspace {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 1025;
    min-height: var(--app-topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(244, 247, 251, 0.84);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--app-border);
}

[data-bs-theme="dark"] .app-topbar {
    background: rgba(7, 17, 31, 0.84);
}

.app-topbar__leading,
.app-topbar__actions,
.app-utility-menu {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.app-topbar__title {
    font-size: clamp(1.35rem, 2vw, 1.95rem);
}

.app-topbar__subtitle {
    margin: 0.15rem 0 0;
    color: var(--app-muted);
}

.app-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--app-muted);
    font-size: 0.85rem;
}

.app-breadcrumb span + span::before {
    content: "/";
    margin-right: 0.6rem;
    opacity: 0.55;
}

.app-main {
    display: flex;
    flex-direction: column;
    padding: 1.1rem 1.1rem 6rem;
    min-height: calc(100vh - var(--app-topbar-height));
}

.app-main__content {
    max-width: 100%;
    flex: 1 0 auto;
}

.app-footer {
    margin-top: auto;
    padding: 1rem 0 0.35rem;
    text-align: center;
    color: var(--app-muted);
    font-size: 0.85rem;
}

.app-footer__text {
    opacity: 0.88;
}

.app-icon-button,
.app-user-chip {
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    color: var(--app-text);
    border-radius: 16px;
    height: 46px;
    min-width: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.app-user-chip {
    padding: 0 0.85rem;
    text-decoration: none;
}

.app-user-chip__avatar {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb, 12, 124, 89), 0.14);
    color: var(--app-primary);
}

.app-user-chip__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.app-user-chip__text small {
    color: var(--app-muted);
}

.app-dropdown-panel {
    min-width: 300px;
    padding: 0;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow);
}

.app-dropdown-panel--compact {
    min-width: 200px;
}

.app-dropdown-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1rem;
    background: rgba(var(--primary-rgb, 12, 124, 89), 0.08);
    font-size: 0.9rem;
}

.app-dropdown-panel__header a {
    font-size: 0.82rem;
    text-decoration: none;
    color: var(--app-accent);
}

.app-dropdown-panel__item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    white-space: normal;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

.app-dropdown-panel__item small,
.app-dropdown-panel__empty {
    color: var(--app-muted);
}

.app-dropdown-panel__empty {
    padding: 1rem;
}

.app-count-badge {
    position: absolute;
    top: -0.2rem;
    right: -0.35rem;
    min-width: 1.1rem;
    height: 1.1rem;
    border-radius: 999px;
    padding: 0 0.25rem;
    background: linear-gradient(135deg, var(--app-accent), var(--app-primary));
    color: #fff;
    font-size: 0.68rem;
    line-height: 1.1rem;
    font-weight: 700;
}

.app-mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 1045;
    pointer-events: none;
}

.app-mobile-drawer.is-open {
    pointer-events: auto;
}

.app-mobile-drawer__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.48);
    opacity: 0;
    transition: opacity 0.18s ease;
}

.app-mobile-drawer__panel {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(92vw, 360px);
    background: var(--app-surface-strong);
    box-shadow: var(--app-shadow);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    padding: 1rem;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.app-mobile-drawer.is-open .app-mobile-drawer__backdrop {
    opacity: 1;
}

.app-mobile-drawer.is-open .app-mobile-drawer__panel {
    transform: translateX(0);
}

.app-mobile-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.app-mobile-drawer__nav,
.app-mobile-drawer__children {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.app-mobile-drawer__group {
    padding: 0.35rem 0;
}

.app-mobile-drawer__group-link,
.app-mobile-drawer__child {
    text-decoration: none;
    color: var(--app-text);
    border-radius: 14px;
}

.app-mobile-drawer__group-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 0.9rem;
    font-weight: 600;
    list-style: none;
}

.app-mobile-drawer__group-link::-webkit-details-marker {
    display: none;
}

.app-mobile-drawer__group-link.is-active,
.app-mobile-drawer__child.is-active,
.app-mobile-drawer__group-link:hover,
.app-mobile-drawer__child:hover {
    background: rgba(var(--secondary-rgb, 196, 181, 253), 0.16);
}

.app-mobile-drawer__group-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb, 12, 124, 89), 0.12);
    color: var(--app-primary);
}

.app-mobile-drawer__details[open] .app-mobile-drawer__caret {
    transform: rotate(180deg);
}

.app-mobile-drawer__caret {
    margin-left: auto;
    color: var(--app-muted);
    transition: transform 0.18s ease;
}

.app-mobile-drawer__child {
    padding: 0.7rem 1rem 0.7rem 3.2rem;
}

.app-mobile-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1035;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.25rem;
    padding: 0.55rem 0.55rem calc(0.55rem + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    border-top: 1px solid var(--app-border);
}

[data-bs-theme="dark"] .app-mobile-tabbar {
    background: rgba(2, 6, 23, 0.92);
}

.app-mobile-tabbar__item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.45rem 0.2rem;
    border: 0;
    border-radius: 16px;
    background: transparent;
    color: var(--app-muted);
    text-decoration: none;
    font-size: 0.74rem;
}

.app-mobile-tabbar__item.is-active {
    color: var(--app-accent);
    background: rgba(var(--secondary-rgb, 196, 181, 253), 0.18);
}

.app-mobile-tabbar__icon {
    position: relative;
    font-size: 1rem;
}

.app-rail__nav::-webkit-scrollbar,
.app-module-panel__nav::-webkit-scrollbar,
.app-mobile-drawer__panel::-webkit-scrollbar {
    width: 8px;
}

.app-rail__nav::-webkit-scrollbar-thumb,
.app-module-panel__nav::-webkit-scrollbar-thumb,
.app-mobile-drawer__panel::-webkit-scrollbar-thumb {
    background: rgba(100, 116, 139, 0.35);
    border-radius: 999px;
}

@media (max-width: 991.98px) {
    .fab-float,
    #aiAssistantFab {
        bottom: calc(6.2rem + env(safe-area-inset-bottom));
        right: 1rem;
    }
}

@media (max-width: 991.98px) {
    .app-shell__body {
        grid-template-columns: minmax(0, 1fr);
    }

    .app-topbar {
        padding: 0.95rem 0.95rem 0.85rem;
    }

    .app-main {
        padding: 0.85rem 0.85rem 6rem;
    }
}