:root {
    --app-bg: #f4f7fb;
    --app-bg-soft: #eef3f8;
    --app-navy: #10233f;
    --app-navy-2: #18385f;
    --app-blue: #1f5d9d;
    --app-blue-soft: #e7f0fb;
    --app-border: #d9e3ef;
    --app-text: #172033;
    --app-muted: #637186;
    --app-success: #1f7a55;
    --app-danger: #b42318;
    --app-warning: #a15c07;
    --app-shadow: 0 14px 35px rgba(16, 35, 63, .08);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--app-bg);
}

body {
    background:
        radial-gradient(circle at top right, rgba(31, 93, 157, .10), transparent 32rem),
        linear-gradient(180deg, #f8fbfe 0%, var(--app-bg) 42%, var(--app-bg-soft) 100%);
    color: var(--app-text);
    font-family: Inter, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
    margin: 0;
    min-height: 100vh;
}

a {
    text-decoration: none;
}

.app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.sidebar {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, .05) 0%, rgba(255, 255, 255, 0) 26%),
        linear-gradient(180deg, var(--app-navy) 0%, #0b1b31 100%);
    box-shadow: 12px 0 32px rgba(16, 35, 63, .12);
    color: #fff;
    flex: 0 0 288px;
    min-height: 100vh;
    padding: 1.35rem 1.15rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-brand {
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    display: flex;
    gap: .85rem;
    margin-bottom: 1.15rem;
    padding-bottom: 1.15rem;
}

.brand-mark {
    align-items: center;
    background: linear-gradient(135deg, #fff 0%, #dce9f8 100%);
    border-radius: .85rem;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
    color: var(--app-navy);
    display: inline-flex;
    flex: 0 0 54px;
    font-size: .9rem;
    font-weight: 800;
    height: 46px;
    justify-content: center;
    letter-spacing: .06em;
    width: 54px;
}

.brand-title {
    color: #f8fbff;
    font-size: .98rem;
    font-weight: 700;
    line-height: 1.25;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.sidebar-nav .nav-link {
    align-items: center;
    border: 1px solid transparent;
    border-radius: .8rem;
    color: rgba(255, 255, 255, .78);
    display: flex;
    font-size: .95rem;
    font-weight: 600;
    gap: .65rem;
    margin: 0;
    padding: .78rem .9rem;
    transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.sidebar-nav .nav-link::before {
    background: rgba(255, 255, 255, .28);
    border-radius: 999px;
    content: "";
    height: .45rem;
    width: .45rem;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: rgba(255, 255, 255, .11);
    border-color: rgba(255, 255, 255, .12);
    color: #fff;
    transform: translateX(2px);
}

.sidebar-nav .nav-link.active::before {
    background: #8ec5ff;
    box-shadow: 0 0 0 4px rgba(142, 197, 255, .16);
}

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

.container-fluid {
    margin: 0 auto;
    max-width: 1500px;
    padding-left: 2rem !important;
    padding-right: 2rem !important;
}

.page-heading {
    background: rgba(255, 255, 255, .76);
    border: 1px solid rgba(217, 227, 239, .78);
    border-radius: 1.1rem;
    box-shadow: var(--app-shadow);
    max-width: none;
    padding: 1.55rem 1.65rem;
}

.page-heading h1 {
    color: var(--app-navy);
    font-size: clamp(1.7rem, 2.4vw, 2.35rem);
    font-weight: 760;
    letter-spacing: -.035em;
}

.eyebrow {
    color: var(--app-blue);
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.card {
    background: rgba(255, 255, 255, .92);
    border: 1px solid rgba(217, 227, 239, .9) !important;
    border-radius: 1.05rem;
    box-shadow: var(--app-shadow) !important;
}

.metric-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric-card {
    min-height: 154px;
    overflow: hidden;
    position: relative;
}

.metric-card::after {
    background: linear-gradient(135deg, rgba(31, 93, 157, .12), transparent 64%);
    border-radius: 999px;
    content: "";
    height: 110px;
    position: absolute;
    right: -44px;
    top: -52px;
    width: 110px;
}

.metric-card .card-body {
    padding: 1.28rem;
    position: relative;
    z-index: 1;
}

.metric-card p {
    color: var(--app-muted) !important;
    font-weight: 650;
    min-height: 2.2rem;
}

.metric-card .display-6 {
    color: var(--app-navy) !important;
    font-size: 2.35rem;
    line-height: 1;
}

.metric-dot {
    border-radius: 50%;
    display: inline-block;
    height: .7rem;
    margin-bottom: 1rem;
    width: .7rem;
}

.next-steps-card .card-body {
    padding: 1.55rem !important;
}

.next-steps-card h2,
.module-placeholder h2 {
    color: var(--app-navy);
    font-weight: 750;
}

.next-steps-grid {
    display: grid;
    gap: .85rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.next-step-item {
    align-items: flex-start;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid var(--app-border);
    border-radius: .9rem;
    color: var(--app-text);
    display: flex;
    gap: .75rem;
    height: 100%;
    padding: 1rem;
}

.check-marker {
    align-items: center;
    background: rgba(31, 122, 85, .12);
    border-radius: 999px;
    color: var(--app-success);
    display: inline-flex;
    flex: 0 0 1.35rem;
    font-weight: 800;
    height: 1.35rem;
    justify-content: center;
    line-height: 1;
    margin-top: .05rem;
    width: 1.35rem;
}

.module-placeholder {
    border-left: 5px solid var(--app-blue) !important;
}

.alert-warning {
    background: #fff8e6;
    color: #6f4600;
}

@media (max-width: 1280px) {
    .metric-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 991.98px) {
    .app-shell {
        display: block;
    }

    .sidebar {
        min-height: auto;
        position: static;
    }

    .sidebar-nav {
        display: grid;
        gap: .4rem;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric-grid,
    .next-steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@media (max-width: 575.98px) {
    .sidebar-nav,
    .metric-grid,
    .next-steps-grid {
        grid-template-columns: 1fr;
    }

    .page-heading {
        padding: 1.2rem;
    }
}