:root {
    --app-primary: #1f6f5b;
    --app-primary-rgb: 31, 111, 91;
    --app-bg: #f6f7f9;
    --app-bg-alt: #f0f4f1;
    --app-surface: #ffffff;
    --app-border: #e2e6ea;
    --app-muted: #6c757d;
    --app-radius: 0.9rem;
    --app-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    --bs-primary: var(--app-primary);
    --bs-primary-rgb: var(--app-primary-rgb);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
    background: radial-gradient(circle at top, var(--app-bg-alt), var(--app-bg) 60%);
    color: #1f2937;
}

.app-body {
    min-height: 100vh;
}

.app-topbar {
    background: var(--app-surface);
    border-bottom: 1px solid var(--app-border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.brand-mark {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--app-primary);
    display: inline-block;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
    text-decoration: none;
}

.brand-logo:hover {
    color: inherit;
    text-decoration: none;
}

.brand-logo img {
    height: var(--app-logo-height, 28px);
    width: auto;
    display: block;
}

.brand-logo--lg img {
    height: var(--app-logo-height-lg, 40px);
}

.brand-logo--lg .brand-mark {
    width: 18px;
    height: 18px;
}

.brand-text {
    font-weight: 600;
}

.org-chip {
    font-weight: 500;
    padding: 0.35rem 0.65rem;
}

.color-swatch {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 1px solid var(--app-border);
    display: inline-block;
}

.app-shell {
    display: flex;
    min-height: calc(100vh - 56px);
}

.app-sidebar {
    width: 240px;
    background: var(--app-surface);
    border-right: 1px solid var(--app-border);
    padding: 1.5rem 1.2rem;
    gap: 0.5rem;
}

.app-sidebar .nav-link {
    color: #374151;
    border-radius: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
}

.app-sidebar .nav-link.active,
.app-sidebar .nav-link:hover {
    background: rgba(var(--app-primary-rgb), 0.12);
    color: var(--app-primary);
}

.app-sidebar .nav-group-toggle,
#sidebarOffcanvas .nav-group-toggle {
    background: transparent;
    border: 0;
    width: 100%;
    text-align: left;
}

.app-sidebar .nav-group-toggle {
    margin-bottom: 0.2rem;
}

.app-sidebar .nav-submenu,
#sidebarOffcanvas .nav-submenu {
    gap: 0.35rem;
    margin-bottom: 0.8rem;
}

.app-sidebar .nav-submenu .nav-link,
#sidebarOffcanvas .nav-submenu .nav-link {
    padding: 0.6rem 0.95rem;
}

.app-sidebar .nav-caret,
#sidebarOffcanvas .nav-caret {
    font-size: 0.85rem;
    transition: transform 0.15s ease;
}

.app-sidebar .nav-group-toggle:not(.collapsed) .nav-caret,
#sidebarOffcanvas .nav-group-toggle:not(.collapsed) .nav-caret {
    transform: rotate(90deg);
}

#sidebarOffcanvas .nav-link {
    color: #374151;
    border-radius: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
}

.app-content {
    flex: 1;
    min-width: 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.kpi-card {
    border: none;
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
}

.card {
    border-radius: var(--app-radius);
    border: 1px solid var(--app-border);
}

.form-section {
    margin-bottom: 1.5rem;
}

.table > :not(caption) > * > * {
    padding: 0.85rem 0.75rem;
}

.empty-state {
    text-align: center;
    padding: 2rem 1rem;
}

.empty-state .empty-icon {
    font-size: 1.5rem;
    color: var(--app-muted);
}

.timeline {
    list-style: none;
    padding-left: 0;
    margin: 0;
    border-left: 2px solid var(--app-border);
}

.timeline li {
    position: relative;
    padding: 0 0 1.5rem 1.5rem;
}

.timeline li:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -6px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--app-primary);
}

.detail-item {
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--app-border);
}

.detail-item:last-child {
    border-bottom: none;
}

.app-footer {
    border-top: 1px solid var(--app-border);
    padding: 1rem 0;
    background: var(--app-surface);
}

.app-footer a {
    color: var(--app-muted);
}

.app-footer a:hover {
    color: var(--app-primary);
}

.auth-body,
.plain-body {
    background: radial-gradient(circle at top, var(--app-bg-alt), var(--app-bg) 60%);
}

.auth-shell,
.plain-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.auth-card,
.plain-card {
    background: var(--app-surface);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
    padding: 2.5rem;
    width: min(420px, 100%);
}

.auth-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
}

.code-chip {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    padding: 0.5rem 0.75rem;
    border-radius: 0.6rem;
    background: #f2f4f6;
    border: 1px solid var(--app-border);
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-overlay.show {
    display: flex;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.loading-text {
    font-size: 0.9rem;
    color: var(--app-muted);
}

:focus-visible {
    outline: 3px solid rgba(var(--app-primary-rgb), 0.35);
    outline-offset: 2px;
}

.locale-switcher .dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.auth-locale {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

@media (max-width: 991px) {
    .app-shell {
        flex-direction: column;
    }
}