:root {
    /* Enterprise Ultra-Clean Palette */
    --bg: #FAFAFC;
    --surface: #FFFFFF;
    --surface-glass: rgba(255, 255, 255, 0.85);
    --ink: #0D0F14;
    --ink-soft: #4B5262;
    --muted: #8E95A5;
    --border: #E8EBF1;

    --accent: #2A46FF;
    --accent-hover: #1E37E0;
    --accent-soft: rgba(42, 70, 255, 0.06);
    --accent-glow: rgba(42, 70, 255, 0.12);
    --danger: #E1383A;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --nav-height: 64px;
    --sidebar-width: 265px;

    /* Animation Physics */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    --font-display: 'Fraunces', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==========================================
   GLOBAL SCROLLBAR REMOVAL (ALL BROWSERS)
   ========================================== */
html, body, .sidebar, .main-content, div, nav, aside, main {
    -ms-overflow-style: none !important;  /* IE and Edge */
    scrollbar-width: none !important;  /* Firefox */
}

*::-webkit-scrollbar {
    display: none !important; /* Chrome, Safari, Opera */
    width: 0 !important;
    height: 0 !important;
}

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--ink);
    height: 100%;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image: radial-gradient(circle, rgba(13, 15, 20, 0.035) 1px, transparent 1px);
    background-size: 28px 28px;
}

a { color: inherit; text-decoration: none; }
button { background: none; border: none; font: inherit; cursor: pointer; color: inherit; }

/* 1. TOP NAV */
.top-nav {
    height: var(--nav-height);
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 120;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.logo {
    background: var(--ink);
    color: var(--surface);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    transition: transform 0.25s var(--ease-out);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.nav-left:hover .logo { transform: scale(1.04); }

.brand-text { display: flex; flex-direction: column; }

.app-name {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
    line-height: 1;
}

.status-indicator {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 5px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 3px;
}

.status-dot {
    width: 5px;
    height: 5px;
    background-color: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

/* TOP NAV TAB BUTTONS (TIGHT GAP) */
.nav-center {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    height: 100%;
}

.nav-center .module-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    position: relative;
    transition: color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}

.nav-center .module-btn i { 
    width: 15px; 
    height: 15px; 
    stroke-width: 1.75; 
    transition: transform 0.2s var(--ease-out);
}

.nav-center .module-btn:hover { 
    color: var(--ink); 
    background-color: rgba(13, 15, 20, 0.035);
}

.nav-center .module-btn:hover i { transform: translateY(-1px); }

/* Sleek Active Underline Line */
.nav-center .module-btn::after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 10px;
    right: 10px;
    height: 2px;
    background-color: var(--accent);
    border-radius: 2px;
    opacity: 0;
    transform: scaleX(0);
    transition: transform 0.25s var(--ease-out), opacity 0.25s var(--ease-out);
}

.nav-center .module-btn.active {
    color: var(--accent);
    font-weight: 600;
    background-color: var(--accent-soft);
}

.nav-center .module-btn.active::after {
    opacity: 1;
    transform: scaleX(1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.user-info { text-align: right; }
.user-name { font-size: 0.85rem; font-weight: 600; line-height: 1.1; }
.user-id {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 2px;
    font-variant-numeric: tabular-nums;
}

.avatar {
    position: relative;
}

.avatar img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 1px solid var(--border);
    transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
    display: block;
}

.avatar-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: #10B981;
    border: 2px solid var(--surface);
    border-radius: 50%;
}

.nav-right:hover .avatar img { 
    border-color: var(--accent); 
    transform: scale(1.05);
}

/* 2. LAYOUT & SIDEBARS */
.layout-wrapper {
    display: flex;
    padding-top: var(--nav-height);
    height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1.75rem 1.25rem;
    overflow-y: auto;
    isolation: isolate;
}

.right-sidebar {
    border-right: none;
    border-left: 1px solid var(--border);
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.15rem;
    padding-left: 6px;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

/* SUBMENU ACCORDION STYLES */
.nav-group {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.menu-item-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}

.menu-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-item-btn i {
    width: 16px;
    height: 16px;
    stroke-width: 1.65;
    color: var(--muted);
    transition: color 0.2s var(--ease-out);
}

.chevron-icon {
    transition: transform 0.25s var(--ease-out) !important;
}

.menu-item-btn:hover {
    color: var(--ink);
    background-color: var(--bg);
}

.menu-item-btn:hover i { color: var(--accent); }

.menu-item-btn.expanded {
    color: var(--ink);
    font-weight: 600;
}

.menu-item-btn.expanded .chevron-icon {
    transform: rotate(90deg);
    color: var(--accent);
}

.submenu-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.28s var(--ease-out);
}

.submenu-wrapper.open {
    grid-template-rows: 1fr;
}

.submenu-content {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 18px;
    margin-left: 18px;
    border-left: 1.5px solid var(--border);
    margin-top: 2px;
    margin-bottom: 4px;
}

.submenu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    font-size: 0.82rem;
    font-weight: 450;
    transition: all 0.2s var(--ease-out);
}

.sub-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--muted);
    transition: background-color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.submenu-item:hover {
    color: var(--ink);
    background-color: var(--bg);
}

.submenu-item:hover .sub-dot {
    background-color: var(--accent);
    transform: scale(1.4);
}

.submenu-item.active {
    color: var(--accent);
    font-weight: 600;
    background-color: var(--accent-soft);
}

.submenu-item.active .sub-dot {
    background-color: var(--accent);
    transform: scale(1.4);
}

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

/* 3. MAIN DASHBOARD CONTENT */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2.25rem 2.25rem 4rem;
}

.content-inner {
    max-width: 1240px;
    margin: 0 auto;
}

.content-fade {
    animation: content-smooth-fade 0.35s var(--ease-out) forwards;
}

@keyframes content-smooth-fade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-header { margin-bottom: 2rem; }

.header-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.65rem;
}

.eyebrow-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.badge {
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 20px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Header Metric Ribbon */
.header-metrics {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
}

.metric-label {
    color: var(--muted);
    text-transform: uppercase;
}

.metric-value {
    color: var(--ink);
    font-weight: 600;
}

.content-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
}

.content-sub {
    color: var(--ink-soft);
    font-size: 0.95rem;
    max-width: 52ch;
    line-height: 1.5;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.25rem;
}

/* CARDS */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.35rem;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
    will-change: transform, box-shadow;
    transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.card:hover { 
    border-color: rgba(42, 70, 255, 0.4); 
    transform: translateY(-3px); 
    box-shadow: 0 12px 28px -10px rgba(42, 70, 255, 0.12);
}

.card:active {
    transform: scale(0.985);
}

/* Corner Ticks */
.card::before,
.card::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border-color: var(--accent);
    opacity: 0;
    transition: opacity 0.25s var(--ease-out);
}
.card::before { top: -1px; left: -1px; border-top: 1.5px solid; border-left: 1.5px solid; }
.card::after { bottom: -1px; right: -1px; border-bottom: 1.5px solid; border-right: 1.5px solid; }
.card:hover::before, .card:hover::after { opacity: 1; }

.card-enter {
    opacity: 0;
    transform: translateY(12px);
    animation: card-appear 0.45s var(--ease-out) forwards;
}

@keyframes card-appear { 
    to { opacity: 1; transform: translateY(0); } 
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.15rem;
}

.card-top-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--ink-soft);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 2px 7px;
    border-radius: var(--radius-sm);
}

.card-icon {
    width: 36px;
    height: 36px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    transition: background-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.card-icon i { width: 18px; height: 18px; stroke-width: 1.6; }
.card:hover .card-icon {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: transparent;
}

.card-arrow {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    opacity: 0.5;
    transition: all 0.25s var(--ease-out);
}
.card-arrow i { width: 16px; height: 16px; stroke-width: 1.6; }
.card:hover .card-arrow { 
    opacity: 1; 
    transform: translate(2px, -2px); 
    color: var(--accent); 
}

.card-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.card-title {
    font-size: 1.02rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.4rem;
}

.card-desc {
    color: var(--ink-soft);
    font-size: 0.86rem;
    line-height: 1.45;
    margin-top: auto;
}

.skeleton {
    background: linear-gradient(90deg, #EFEFF4 25%, #F7F7FA 50%, #EFEFF4 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.3s infinite;
    border-color: transparent;
}

@keyframes skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 4. OVERLAY & MOBILE DRAWERS */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(13, 15, 20, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out), visibility 0.3s var(--ease-out);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-only { display: none; }

@media (max-width: 1024px) {
    .desktop-only { display: none; }
    .mobile-only { display: flex; }

    .main-content { padding: 1.75rem 1.25rem 5rem; }
    .content-header { margin-bottom: 1.75rem; }

    /* Non-blurred crisp mobile drawers */
    .sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        z-index: 200;
        background: #FFFFFF;
        box-shadow: 0 0 35px rgba(0, 0, 0, 0.12);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        width: 285px;
    }

    .left-sidebar { left: 0; transform: translateX(-100%); }
    .right-sidebar { right: 0; transform: translateX(100%); }

    .sidebar.open { transform: translateX(0); }

    .bottom-nav {
        position: fixed;
        bottom: 0;
        width: 100%;
        height: 60px;
        background: var(--surface-glass);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        justify-content: space-around;
        align-items: center;
        z-index: 120;
    }

    .bottom-nav .module-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        padding: 5px 8px;
        color: var(--muted);
        transition: color 0.2s var(--ease-out);
    }
    .bottom-nav .module-btn i { width: 18px; height: 18px; stroke-width: 1.6; }
    .bottom-nav .module-btn span { font-size: 0.63rem; font-weight: 500; }
    .bottom-nav .module-btn.active { color: var(--accent); }

    .sidebar-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1.5rem;
        font-weight: 600;
        font-family: var(--font-display);
        font-style: italic;
        font-size: 1.1rem;
    }

    .close-btn {
        background: var(--bg);
        border-radius: 50%;
        width: 30px;
        height: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ink);
    }
    .close-btn i { width: 16px; height: 16px; }
}

/* ACCESSIBILITY */
a:focus-visible,
button:focus-visible,
.card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}