:root {
    color-scheme: light;
    --bg: #edf3f8;
    --panel: #ffffff;
    --sidebar-top: #24315c;
    --sidebar-bottom: #4b145e;
    --ink: #1f2a37;
    --muted: #687586;
    --line: #d9e2ef;
    --accent: #194a86;
    --accent-soft: #dbe9fb;
    --live: #0f766e;
    --warn: #b45309;
    --critical: #b42318;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(46,111,187,.10), transparent 28%),
        radial-gradient(circle at bottom right, rgba(25,74,134,.10), transparent 35%),
        var(--bg);
    color: var(--ink);
}

a {
    color: inherit;
}

.workspace-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
}

.workspace-sidebar {
    background: linear-gradient(180deg, var(--sidebar-top), var(--sidebar-bottom));
    color: white;
    padding: 22px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brand-block {
    display: grid;
    gap: 12px;
    margin-bottom: 8px;
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-menu {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,.12);
    font-weight: 700;
}

.brand-mark {
    width: 16px;
    height: 16px;
    border-radius: 6px;
    background: linear-gradient(135deg, #58a6ff, #29b26f);
}

.brand-row strong {
    display: block;
    font-size: 1.2rem;
}

.brand-row p,
.brand-copy,
.sidebar-card p,
.workspace-eyebrow,
.muted-copy,
.list-card p,
.insight-card p,
.hero-card p,
.panel-card p {
    margin: 0;
    color: rgba(255,255,255,.78);
    line-height: 1.6;
}

.brand-copy {
    color: rgba(255,255,255,.72);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    color: rgba(255,255,255,.92);
    text-decoration: none;
    transition: background .18s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255,255,255,.14);
}

.nav-link-secondary {
    color: rgba(255,255,255,.78);
}

.nav-icon {
    width: 30px;
    text-align: center;
    font-weight: 700;
}

.sidebar-card {
    margin-top: auto;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,255,255,.12);
}

.sidebar-card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
}

.workspace-main {
    padding: 24px 28px 36px;
    display: grid;
    gap: 20px;
}

.workspace-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.workspace-topbar h2 {
    margin: 0;
    font-size: 1.6rem;
}

.workspace-eyebrow {
    color: var(--muted);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.workspace-status-row,
.chip-row,
.shortcut-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.workspace-pill,
.mini-pill,
.severity-pill,
.hero-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 700;
}

.workspace-pill {
    background: white;
    border: 1px solid var(--line);
    color: var(--muted);
}

.workspace-pill-live,
.hero-pill-live {
    background: rgba(15,118,110,.12);
    color: var(--live);
}

.page-grid,
.two-column,
.metric-grid,
.card-grid {
    display: grid;
    gap: 18px;
}

.page-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .7fr);
}

.two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.hero-card,
.panel-card,
.metric-card,
.list-card,
.insight-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: 0 14px 30px rgba(31,42,55,.06);
}

.hero-card,
.panel-card,
.insight-card {
    padding: 22px;
}

.hero-card h1,
.hero-card h3,
.panel-card h3,
.panel-card h4,
.insight-card h3,
.list-card h4 {
    margin: 0;
}

.hero-card h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -.04em;
}

.hero-card {
    display: grid;
    gap: 16px;
}

.hero-pill {
    width: fit-content;
    background: rgba(25,74,134,.10);
    color: var(--accent);
}

.hero-pill-warm {
    background: rgba(180,83,9,.12);
    color: var(--warn);
}

.metric-card {
    padding: 18px;
}

.metric-card span {
    display: block;
    color: var(--muted);
    font-size: .88rem;
}

.metric-card strong {
    display: block;
    margin-top: 8px;
    font-size: 1.75rem;
    color: var(--accent);
}

.fact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.fact-list li,
.dimension-row,
.list-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.fact-list span,
.dimension-row span,
.list-head span,
.muted-copy,
.list-card p,
.insight-card p,
.hero-card p,
.panel-card p {
    color: var(--muted);
}

.shortcut-card {
    min-width: 120px;
    padding: 14px 16px;
    border-radius: 16px;
    text-decoration: none;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, #f8fbfe, #eef4fb);
    color: var(--accent);
    font-weight: 700;
}

.insight-block,
.stack-list {
    display: grid;
    gap: 12px;
}

.list-card {
    padding: 18px;
}

.mini-pill {
    background: #edf3fb;
    color: var(--accent);
}

.severity-pill {
    width: fit-content;
}

.severity-info {
    color: var(--accent);
    background: rgba(25,74,134,.10);
}

.severity-warning {
    color: var(--warn);
    background: rgba(180,83,9,.12);
}

.severity-critical {
    color: var(--critical);
    background: rgba(180,35,24,.12);
}

.severity-border-info {
    border-left: 6px solid var(--accent);
}

.severity-border-warning {
    border-left: 6px solid var(--warn);
}

.severity-border-critical {
    border-left: 6px solid var(--critical);
}

.activity-track {
    width: 100%;
    height: 14px;
    border-radius: 999px;
    background: #e7edf7;
    overflow: hidden;
}

.activity-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--warn), var(--accent));
    transition: width .25s ease;
}

.activity-fill-live {
    background: linear-gradient(90deg, var(--live), var(--accent));
}

.dimension-row {
    align-items: center;
}

.dimension-row strong {
    display: block;
}

.dimension-bar {
    width: 150px;
    height: 10px;
    border-radius: 999px;
    background: #e7edf7;
    overflow: hidden;
}

.dimension-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), #58a6ff);
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.action-form {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding: 16px;
    border-radius: 16px;
    background: #f6f9fd;
    border: 1px solid var(--line);
}

.action-form label {
    display: grid;
    gap: 6px;
    font-size: .85rem;
    color: var(--muted);
    font-weight: 600;
}

.action-form input,
.action-form select,
.action-form textarea {
    font-family: inherit;
    font-size: .92rem;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: white;
    color: var(--ink);
}

.action-form textarea {
    resize: vertical;
}

.checkbox-field {
    flex-direction: row !important;
    align-items: center;
    gap: 8px !important;
}

.checkbox-field input {
    width: auto;
}

.btn {
    padding: 10px 16px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: white;
    font-weight: 700;
    font-size: .88rem;
    cursor: pointer;
}

.btn:hover {
    filter: brightness(1.08);
}

.btn-secondary {
    background: white;
    border: 1px solid var(--line);
    color: var(--accent);
}

.form-success {
    color: var(--live);
    font-weight: 600;
    margin: 10px 0 0;
}

.form-error {
    color: var(--critical);
    font-weight: 600;
    margin: 10px 0 0;
}

@media (max-width: 1100px) {
    .page-grid,
    .two-column,
    .metric-grid,
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .workspace-shell {
        grid-template-columns: 1fr;
    }

    .workspace-sidebar {
        border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .workspace-main {
        padding: 20px;
    }

    .workspace-topbar {
        align-items: flex-start;
        flex-direction: column;
    }
}