/* Alysum Note Graph — standalone linked-notes workspace */

:root {
    --ng-bg: #0b1220;
    --ng-panel: rgba(15, 23, 42, 0.94);
    --ng-border: rgba(255, 255, 255, 0.1);
    --ng-text: #f9fafb;
    --ng-muted: #9ca3af;
    --ng-accent: #a78bfa;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(ellipse 120% 60% at 50% -10%, var(--theme-body-spot, rgba(124, 58, 237, 0.28)) 0%, transparent 55%),
        linear-gradient(180deg, #0d1426 0%, #0b1220 42%);
    color: var(--ng-text);
}

body.nb-app {
    height: 100%;
}

.ng-app {
    height: 100%;
    display: grid;
    grid-template-rows: 56px 1fr;
    min-height: 0;
}

.ng-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
    border-bottom: 1px solid var(--ng-border);
    background: var(
        --theme-welcome-bar,
        var(--alysum-chrome-gradient, linear-gradient(135deg, #4c1d95, #7c3aed 45%, #ec4899))
    );
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    z-index: 20;
    min-width: 0;
}

.ng-toolbar-left,
.ng-toolbar-center,
.ng-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ng-toolbar-left { flex: 0 0 auto; }
.ng-toolbar-center { flex: 1 1 auto; justify-content: center; }
.ng-toolbar-right { flex: 0 0 auto; margin-left: auto; }

.ng-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    font-weight: 900;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.ng-brand img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.ng-sep {
    width: 1px;
    height: 22px;
    background: rgba(255, 255, 255, 0.18);
    flex: 0 0 auto;
}

.ng-status {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.82);
    white-space: nowrap;
}

.ng-filter {
    width: min(280px, 42vw);
    min-height: 36px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(2, 6, 23, 0.45);
    color: #f8fafc;
    font-family: inherit;
    font-size: 13px;
}

.ng-btn {
    min-height: 34px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
    font-family: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.ng-btn:hover {
    background: rgba(255, 255, 255, 0.14);
}

.ng-btn-primary {
    background: rgba(124, 58, 237, 0.45);
    border-color: rgba(167, 139, 250, 0.4);
}

.ng-btn-ghost {
    background: transparent;
}

.ng-workspace {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(280px, 360px);
    min-height: 0;
    overflow: hidden;
}

.ng-side {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--ng-panel);
}

.ng-side-left {
    border-right: 1px solid var(--ng-border);
}

.ng-side-right {
    border-left: 1px solid var(--ng-border);
}

.ng-side-head {
    padding: 14px 16px;
    border-bottom: 1px solid var(--ng-border);
    flex-shrink: 0;
}

.ng-side-head h2 {
    margin: 0;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ng-muted);
}

.ng-side-tools {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--ng-border);
    flex-shrink: 0;
}

.ng-tool-btn {
    flex: 1;
    min-height: 34px;
    border-radius: 10px;
    border: 1px solid var(--ng-border);
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    font-family: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.ng-tool-btn:hover {
    background: rgba(124, 58, 237, 0.22);
}

.ng-tool-btn-danger {
    flex: 0 0 auto;
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.28);
}

.ng-side-search {
    padding: 10px 12px;
    border-bottom: 1px solid var(--ng-border);
    flex-shrink: 0;
}

.ng-side-search .nb-quick-open {
    width: 100%;
    margin: 0;
}

.ng-tree {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding-bottom: 8px;
}

.ng-side-foot {
    padding: 10px 14px;
    border-top: 1px solid var(--ng-border);
    flex-shrink: 0;
}

.ng-stat-inline {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 12px;
    color: var(--ng-muted);
    font-weight: 700;
}

.ng-stat-inline strong {
    color: var(--ng-accent);
}

.ng-editor {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 12px;
    gap: 10px;
}

.ng-title-input {
    width: 100%;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 12px;
    border: 1px solid var(--ng-border);
    background: rgba(2, 6, 23, 0.55);
    color: #f8fafc;
    font-family: inherit;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ng-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--ng-border);
    background: rgba(2, 6, 23, 0.42);
    font-size: 15px;
    line-height: 1.7;
}

.ng-stage-wrap {
    position: relative;
    min-height: 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse at center, rgba(124, 58, 237, 0.1) 0%, rgba(2, 6, 23, 0.92) 72%),
        #020617;
}

.ng-graph-host {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.ng-graph-host .vault-graph-wrap {
    height: 100%;
    padding: 12px;
}

.ng-graph-host .vault-graph-stage {
    flex: 1;
    min-height: 0;
    border-radius: 0;
    border: none;
}

.ng-graph-host .vault-graph-svg {
    min-height: 100%;
}

.ng-graph-host .vault-graph-hint {
    flex: 0 0 auto;
}

.vault-graph-wrap {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.vault-graph-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 8px 10px;
}

.vault-graph-stat {
    color: var(--ng-muted);
    font-size: 13px;
    font-weight: 650;
}

.vault-graph-stat strong {
    color: var(--ng-accent);
}

.vault-graph-reset {
    min-height: 32px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: #e2e8f0;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.vault-graph-reset:hover {
    border-color: rgba(167, 139, 250, 0.35);
}

.vault-graph-stage {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    background: transparent;
}

.vault-graph-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.vault-graph-edge {
    stroke: rgba(148, 163, 184, 0.42);
    stroke-width: 1.25;
}

.vault-graph-node {
    cursor: grab;
}

.vault-graph-node:active {
    cursor: grabbing;
}

.vault-graph-node-label {
    fill: #e2e8f0;
    font-size: 11px;
    font-weight: 700;
    pointer-events: none;
    paint-order: stroke;
    stroke: rgba(2, 6, 23, 0.85);
    stroke-width: 3px;
}

.vault-graph-node.is-active circle {
    filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.55));
}

.vault-graph-hint {
    margin: 10px 8px 0;
    color: #64748b;
    font-size: 12px;
    font-style: italic;
    text-align: center;
}

.vault-graph-empty {
    margin: 0;
    padding: 48px 24px;
    color: var(--ng-muted);
    font-size: 14px;
    line-height: 1.55;
    text-align: center;
}

.ng-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    pointer-events: none;
    z-index: 1;
}

.ng-empty-card {
    max-width: 420px;
    padding: 24px;
    border-radius: 18px;
    border: 1px solid var(--ng-border);
    background: rgba(15, 23, 42, 0.88);
    text-align: center;
}

.ng-empty-card h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.ng-empty-card p {
    margin: 0;
    color: var(--ng-muted);
    line-height: 1.55;
    font-size: 14px;
}

.ng-empty.is-hidden {
    display: none;
}

@media (max-width: 1100px) {
    .ng-workspace {
        grid-template-columns: minmax(200px, 240px) minmax(0, 1fr) minmax(240px, 300px);
    }
}

@media (max-width: 900px) {
    .ng-workspace {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(180px, 28vh) minmax(0, 1fr) minmax(220px, 34vh);
    }

    .ng-side-left,
    .ng-side-right {
        border: none;
        border-bottom: 1px solid var(--ng-border);
    }

    .ng-toolbar-center {
        display: none;
    }
}