/*
 * architecture.css
 * SVG interactive diagram, info panel, node styles, and layer labels.
 */

/* ==========================================================================
   Architecture Section Layout
   ========================================================================== */
.architecture-section { position: relative; }

.architecture-diagram {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    align-items: stretch;
    min-height: 550px;
}

@media (max-width: 992px) {
    .architecture-diagram { grid-template-columns: 1fr; }
}

/* ==========================================================================
   SVG Diagram
   ========================================================================== */
.diagram-svg {
    width: 100%;
    height: auto;
    min-height: 500px;
    display: block;
    align-self: center;
}

/* Node base styles */
.node-bg {
    fill: rgba(30, 30, 36, 0.8);
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
}

.node-border {
    fill: none;
    stroke: rgba(255, 255, 255, 0.2);
    stroke-width: 1.5;
}

.node-title {
    fill: #fff;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 18px;
}

.node-subtitle {
    fill: var(--color-text-secondary);
    font-family: var(--font-sans);
    font-size: 14px;
}

.sub-node {
    fill: rgba(255, 255, 255, 0.05);
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
}

/* Interactive node hover */
.interactive-node { cursor: pointer; }

.interactive-node:hover .node-border {
    stroke: var(--accent-blue);
    stroke-width: 2px;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}

/* Diagram layer labels */
.layer-label {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    fill: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   Info Panel
   ========================================================================== */
.arch-info-panel {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 20px;
    border-radius: var(--radius-md);
    background: rgba(10, 10, 12, 0.45);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow-y: auto;
}

.arch-info-panel h4 {
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.arch-info-panel pre {
    margin-top: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    color: #e2e8f0;
    overflow-x: auto;
}

.arch-panel-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    padding: 2px 10px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Architecture Features Grid (below diagram)
   ========================================================================== */
.architecture-features {
    margin-top: var(--spacing-3xl);
}

/* ==========================================================================
   Light Mode Architecture Overrides
   ========================================================================== */

[data-theme="light"] .node-bg {
    fill: rgba(255, 255, 255, 0.85);
    stroke: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .node-border {
    stroke: rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .node-title {
    fill: #0f1117;
}

[data-theme="light"] .node-subtitle {
    fill: #4a4a6a;
}

[data-theme="light"] .sub-node {
    fill: rgba(0, 0, 0, 0.04);
    stroke: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .layer-label {
    fill: rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .arch-info-panel {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .arch-info-panel pre {
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-code-text);
}

/* Connection lines responsive stroke */
.diagram-svg path,
.diagram-svg line {
    transition: stroke 0.3s ease;
}

[data-theme="light"] .diagram-svg path:not([stroke="#3b82f6"]):not([stroke="url(#lineGrad)"]),
[data-theme="light"] .diagram-svg line:not([stroke="#3b82f6"]):not([stroke="url(#lineGrad)"]) {
    stroke: rgba(15, 17, 23, 0.22);
}
}
[data-theme="light"] .diagram-svg path[stroke-dasharray="4,4"] {
    stroke: rgba(15, 17, 23, 0.45);
}

/* Network Highlight Subsystem Styling */
.network-highlight .node-border {
    stroke: rgba(59, 130, 246, 0.65) !important;
    stroke-width: 2px !important;
}
[data-theme="light"] .network-highlight .node-border {
    stroke: rgba(29, 78, 216, 0.65) !important;
}
.network-highlight .node-title {
    fill: #60a5fa !important;
}
[data-theme="light"] .network-highlight .node-title {
    fill: #1d4ed8 !important;
}
.network-highlight .sub-node {
    stroke: rgba(59, 130, 246, 0.35) !important;
}

.node-subtitle-sm {
    font-size: 11px !important;
}