* { box-sizing: border-box; }

:root {
    --bg: #0b1020;
    --panel: rgba(255, 255, 255, 0.06);
    --panel-2: rgba(255, 255, 255, 0.09);
    --border: rgba(255, 255, 255, 0.10);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.65);
    --muted-2: rgba(255, 255, 255, 0.45);
    --brand: #6d5efc;
    --brand-2: #22c55e;
    --danger: #ef4444;
    --warn: #f59e0b;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
    --radius: 14px;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background:
        radial-gradient(1200px 800px at 15% 10%, rgba(109, 94, 252, 0.35), transparent 60%),
        radial-gradient(900px 700px at 85% 15%, rgba(34, 197, 94, 0.22), transparent 60%),
        radial-gradient(900px 700px at 65% 95%, rgba(245, 158, 11, 0.18), transparent 60%),
        var(--bg);
}

.app {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100%;
}

.sidebar {
    padding: 18px;
    border-right: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(14px);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(109, 94, 252, 1), rgba(34, 197, 94, 0.85));
    box-shadow: 0 14px 32px rgba(109, 94, 252, 0.35);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.brand-title {
    font-weight: 750;
    line-height: 1.1;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    border-radius: 12px;
    padding: 12px 12px;
    text-align: left;
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.10);
}

.nav-item:active {
    transform: translateY(1px);
}

.nav-item.is-active {
    background: linear-gradient(135deg, rgba(109, 94, 252, 0.32), rgba(34, 197, 94, 0.12));
    border-color: rgba(109, 94, 252, 0.35);
}

.nav-item-label {
    font-weight: 650;
}

.sidebar-footer {
    margin-top: auto;
}

.shell {
    display: grid;
    grid-template-rows: auto 1fr;
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.10);
    backdrop-filter: blur(14px);
}

.topbar-title {
    font-size: 16px;
    font-weight: 750;
}

.topbar-subtitle {
    font-size: 12px;
    color: var(--muted);
    margin-top: 3px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-input {
    width: 320px;
    max-width: 46vw;
    padding: 11px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    outline: none;
}

.search-input::placeholder { color: rgba(255, 255, 255, 0.55); }

.content {
    padding: 18px;
    overflow: auto;
}

.view.is-hidden { display: none; }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 14px;
}

.card {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.05));
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.card-title { font-weight: 750; }
.card-subtitle { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card-kicker { color: var(--muted); font-size: 12px; }
.card-metric { font-size: 34px; font-weight: 800; margin-top: 6px; }
.card-meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.button {
    appearance: none;
    border: 1px solid rgba(109, 94, 252, 0.45);
    background: rgba(109, 94, 252, 0.20);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 650;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.button:hover { background: rgba(109, 94, 252, 0.28); border-color: rgba(109, 94, 252, 0.60); }
.button:active { transform: translateY(1px); }

.button-secondary {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.06);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.22);
}

.button-tertiary {
    border-color: transparent;
    background: transparent;
}

.button-tertiary:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.12);
}

.button-full { width: 100%; }

.stack {
    display: flex;
    align-items: center;
    gap: 8px;
}

.list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 10px 12px;
}

.list-item-title { font-weight: 650; }
.list-item-meta { color: var(--muted); font-size: 12px; margin-top: 3px; }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    white-space: nowrap;
}

.pill-risk-high { border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.10); }
.pill-risk-medium { border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.10); }
.pill-risk-low { border-color: rgba(34, 197, 94, 0.30); background: rgba(34, 197, 94, 0.10); }

.pill-status-open { border-color: rgba(109, 94, 252, 0.40); background: rgba(109, 94, 252, 0.12); }
.pill-status-review { border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.10); }
.pill-status-closed { border-color: rgba(255, 255, 255, 0.18); background: rgba(255, 255, 255, 0.06); color: rgba(255, 255, 255, 0.70); }

.case-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.case-card {
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.case-card:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.16);
}

.case-card-title { font-weight: 750; }
.case-card-subtitle { color: var(--muted); font-size: 12px; margin-top: 4px; }

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.panel {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.04));
    border-radius: var(--radius);
    min-width: 0;
    overflow: hidden;
}

.panel-header {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.panel-title { font-weight: 750; }

.filters {
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-list {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.case-row {
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
}

.case-row:hover { background: rgba(255, 255, 255, 0.07); }
.case-row.is-selected { border-color: rgba(109, 94, 252, 0.50); background: rgba(109, 94, 252, 0.10); }

.case-row-title { font-weight: 700; }
.case-row-meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.case-detail {
    padding: 12px 14px;
}

.case-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.case-detail-title { font-size: 18px; font-weight: 800; }
.case-detail-subtitle { color: var(--muted); font-size: 12px; margin-top: 4px; }

.tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0 12px;
}

.tab {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    padding: 8px 10px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 650;
    font-size: 12px;
}

.tab.is-active { border-color: rgba(109, 94, 252, 0.50); background: rgba(109, 94, 252, 0.14); }

.empty {
    padding: 24px 14px;
    color: var(--muted);
}

.empty-title { font-weight: 750; color: var(--text); }
.empty-subtitle { margin-top: 6px; font-size: 12px; }

.timeline {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.timeline-item {
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.timeline-head {
    display: grid;
    grid-template-columns: 84px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
}

.timeline-time { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.timeline-title { font-weight: 700; }
.timeline-tag { color: var(--muted); font-size: 12px; }

.timeline-body {
    padding: 0 12px 12px;
    color: var(--muted);
    font-size: 13px;
}

.timeline-body.is-collapsed { display: none; }

.modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    z-index: 50;
}

.modal.is-hidden { display: none; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.60);
    backdrop-filter: blur(6px);
}

.modal-card {
    position: relative;
    width: min(720px, 100%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(16, 20, 33, 0.88);
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.modal-header {
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.modal-title { font-weight: 800; }
.modal-subtitle { color: var(--muted); font-size: 12px; margin-top: 4px; }

.modal-body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 2px;
}

.icon-button {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
}

.icon-button:hover { background: rgba(255, 255, 255, 0.10); }

.label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }

.input, .textarea, .select {
    width: 100%;
    padding: 11px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    outline: none;
}

.textarea { resize: vertical; min-height: 120px; }

.select {
    appearance: none;
}

.form-row.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.toast {
    position: fixed;
    right: 18px;
    bottom: 18px;
    max-width: 420px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(16, 20, 33, 0.92);
    color: var(--text);
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.55);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 160ms ease, transform 160ms ease;
    pointer-events: none;
}

.toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .app {
        grid-template-columns: 1fr;
    }

    .sidebar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-footer { margin-top: 0; }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .split {
        grid-template-columns: 1fr;
    }

    .search-input { width: 220px; }
}