:root {
	--bg: #0b0e14;
	--bg-panel: #111622;
	--bg-card: #161d2c;
	--bg-subtle: #1c2538;
	--border: #232f46;
	--border-bright: #364868;
	--fg: #e2e8f0;
	--fg-muted: #8e9db5;
	--fg-dim: #5c6b84;

	--cyan: #00f0ff;
	--cyan-dim: rgba(0, 240, 255, 0.15);
	--amber: #ffb703;
	--amber-dim: rgba(255, 183, 3, 0.15);
	--green: #00e676;
	--green-dim: rgba(0, 230, 118, 0.15);
	--red: #ff3366;
	--red-dim: rgba(255, 51, 102, 0.15);
	--blue: #3b82f6;

	--font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: "JetBrains Mono", "SF Mono", Consolas, "Fira Code", monospace;
	--radius-sm: 4px;
	--radius: 8px;
	--radius-lg: 12px;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	padding: 0;
	background-color: var(--bg);
	color: var(--fg);
	font-family: var(--font-main);
	font-size: 14px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
	background-image: 
		radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.04) 0%, transparent 60%),
		linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
	background-size: 100% 100%, 30px 30px, 30px 30px;
	background-position: 0 0, -1px -1px, -1px -1px;
	min-height: 100vh;
}

/* Custom scrollbars */
::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}
::-webkit-scrollbar-track {
	background: var(--bg);
}
::-webkit-scrollbar-thumb {
	background: var(--border-bright);
	border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
	background: var(--cyan);
}

/* Top App Bar */
.top-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 20px;
	background: rgba(17, 22, 34, 0.9);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	z-index: 50;
}

.brand-section {
	display: flex;
	align-items: center;
	gap: 14px;
}

.brand-logo {
	width: 38px;
	height: 38px;
	background: linear-gradient(135deg, #00f0ff 0%, #0077ff 100%);
	border-radius: 6px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-mono);
	font-weight: 900;
	font-size: 16px;
	color: #000;
	box-shadow: 0 0 16px rgba(0, 240, 255, 0.35);
	letter-spacing: -1px;
}

.brand-title {
	font-size: 16px;
	font-weight: 700;
	letter-spacing: 0.05em;
	color: #fff;
	text-transform: uppercase;
}

.brand-subtitle {
	font-size: 11px;
	color: var(--cyan);
	font-family: var(--font-mono);
	letter-spacing: 0.08em;
	display: flex;
	align-items: center;
	gap: 6px;
}

.pulsing-dot {
	width: 6px;
	height: 6px;
	background: var(--green);
	border-radius: 50%;
	display: inline-block;
	box-shadow: 0 0 8px var(--green);
	animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50% { opacity: 0.4; transform: scale(0.8); }
}

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

.meta-pill {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 4px 10px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 20px;
	font-size: 11px;
	font-family: var(--font-mono);
	color: var(--fg-muted);
}

.meta-pill.active {
	border-color: var(--cyan);
	color: var(--cyan);
}

.mode-toggle {
	display: flex;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 6px;
	padding: 2px;
}

.mode-btn {
	padding: 4px 10px;
	border: none;
	background: transparent;
	color: var(--fg-muted);
	font-size: 11px;
	font-family: var(--font-mono);
	font-weight: 600;
	cursor: pointer;
	border-radius: 4px;
	transition: all 0.2s;
}

.mode-btn.active {
	background: var(--cyan);
	color: #000;
	box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* Nav Tabs */
.nav-ribbon {
	display: flex;
	overflow-x: auto;
	background: var(--bg-panel);
	border-bottom: 1px solid var(--border);
	padding: 0 16px;
	gap: 4px;
}

.tab-btn {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 10px 16px;
	background: transparent;
	border: none;
	border-bottom: 2px solid transparent;
	color: var(--fg-muted);
	font-family: var(--font-mono);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.02em;
	cursor: pointer;
	white-space: nowrap;
	transition: all 0.2s;
}

.tab-btn:hover {
	color: var(--fg);
	background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
	color: var(--cyan);
	border-bottom-color: var(--cyan);
	background: var(--cyan-dim);
}

/* Main Layout */
.app-container {
	max-width: 1720px;
	margin: 0 auto;
	padding: 16px;
}

/* Status Badges */
.badge-v { background: rgba(0, 230, 118, 0.15); color: #00e676; border: 1px solid rgba(0, 230, 118, 0.4); }
.badge-m { background: rgba(0, 240, 255, 0.15); color: #00f0ff; border: 1px solid rgba(0, 240, 255, 0.4); }
.badge-d { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-p { background: rgba(255, 183, 3, 0.15); color: #ffb703; border: 1px solid rgba(255, 183, 3, 0.4); }
.badge-a { background: rgba(244, 63, 94, 0.15); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.4); }
.badge-u { background: rgba(148, 163, 184, 0.15); color: #94a3b8; border: 1px solid rgba(148, 163, 184, 0.4); }

.tag-status {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 2px 6px;
	border-radius: 4px;
	font-family: var(--font-mono);
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.04em;
}

/* Quick Commands Bar */
.quick-cmd-bar {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding-bottom: 8px;
	margin-bottom: 16px;
}

.cmd-chip {
	padding: 5px 12px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 4px;
	color: var(--fg-muted);
	font-family: var(--font-mono);
	font-size: 11px;
	cursor: pointer;
	white-space: nowrap;
	transition: all 0.15s;
}

.cmd-chip:hover {
	border-color: var(--cyan);
	color: var(--cyan);
	background: var(--cyan-dim);
}

/* Grid splits */
.grid-console-split {
	display: grid;
	grid-template-columns: 1fr 380px;
	gap: 16px;
}

@media (max-width: 1080px) {
	.grid-console-split {
		grid-template-columns: 1fr;
	}
}

/* Engineering Panels */
.cad-panel {
	background: var(--bg-panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.cad-panel-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 16px;
	background: var(--bg-card);
	border-bottom: 1px solid var(--border);
}

.cad-panel-title {
	font-size: 12px;
	font-weight: 700;
	font-family: var(--font-mono);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--cyan);
	display: flex;
	align-items: center;
	gap: 8px;
}

.cad-panel-body {
	padding: 16px;
}

/* Blueprint canvas viewport */
.blueprint-viewport {
	background: #070a10;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	position: relative;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	min-height: 580px;
}

.blueprint-grid-overlay {
	background-image: 
		linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px),
		linear-gradient(rgba(0, 240, 255, 0.015) 1px, transparent 1px),
		linear-gradient(90deg, rgba(0, 240, 255, 0.015) 1px, transparent 1px);
	background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
	background-position: -1px -1px, -1px -1px, -1px -1px, -1px -1px;
}

.blueprint-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 12px;
	background: rgba(17, 22, 34, 0.85);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--border);
	z-index: 10;
}

.datum-badge {
	font-family: var(--font-mono);
	font-size: 11px;
	font-weight: 700;
	padding: 2px 8px;
	border-radius: 3px;
	background: rgba(0, 240, 255, 0.1);
	border: 1px solid var(--cyan);
	color: var(--cyan);
}

/* Chat & Terminal */
.terminal-chat-stream {
	height: 520px;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 16px;
	background: #080b11;
}

.chat-bubble {
	padding: 12px 14px;
	border-radius: var(--radius);
	max-width: 92%;
	font-size: 13px;
	line-height: 1.6;
}

.chat-bubble.user {
	align-self: flex-end;
	background: var(--bg-subtle);
	border: 1px solid var(--cyan);
	color: #fff;
	border-bottom-right-radius: 2px;
}

.chat-bubble.agent {
	align-self: flex-start;
	background: var(--bg-card);
	border: 1px solid var(--border);
	color: var(--fg);
	border-bottom-left-radius: 2px;
}

.chat-bubble.agent pre {
	background: #090c12;
	border: 1px solid var(--border);
	padding: 10px;
	border-radius: 4px;
	overflow-x: auto;
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--cyan);
}

.chat-bubble.agent code {
	background: #090c12;
	padding: 2px 4px;
	border-radius: 3px;
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--amber);
}

.chat-meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 10px;
	font-family: var(--font-mono);
	color: var(--fg-dim);
	margin-bottom: 6px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
	padding-bottom: 4px;
}

.chat-input-bar {
	display: flex;
	gap: 8px;
	padding: 12px 16px;
	background: var(--bg-panel);
	border-top: 1px solid var(--border);
}

.cad-input {
	flex: 1;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: #fff;
	padding: 8px 12px;
	font-family: var(--font-mono);
	font-size: 13px;
	outline: none;
	transition: border-color 0.2s;
}

.cad-input:focus {
	border-color: var(--cyan);
	box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.cad-btn {
	background: var(--cyan);
	color: #000;
	border: none;
	border-radius: var(--radius-sm);
	padding: 8px 16px;
	font-family: var(--font-mono);
	font-weight: 700;
	font-size: 12px;
	cursor: pointer;
	letter-spacing: 0.04em;
	transition: all 0.2s;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.cad-btn:hover {
	filter: brightness(1.15);
	box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.cad-btn.secondary {
	background: var(--bg-card);
	border: 1px solid var(--border-bright);
	color: var(--fg);
}

.cad-btn.secondary:hover {
	border-color: var(--cyan);
	color: var(--cyan);
}

.cad-btn.danger {
	background: var(--red);
	color: #fff;
}

/* CAD Data Tables */
.cad-table-container {
	overflow-x: auto;
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.cad-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 12px;
	font-family: var(--font-mono);
	text-align: left;
}

.cad-table th {
	background: var(--bg-card);
	color: var(--fg-muted);
	padding: 10px 12px;
	border-bottom: 2px solid var(--border);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	white-space: nowrap;
}

.cad-table td {
	padding: 8px 12px;
	border-bottom: 1px solid var(--border);
	color: var(--fg);
	vertical-align: middle;
}

.cad-table tr:hover {
	background: rgba(0, 240, 255, 0.03);
}

.cad-table tr.selected {
	background: var(--cyan-dim);
	border-left: 3px solid var(--cyan);
}

/* Dimension Callouts */
.dim-text {
	font-family: var(--font-mono);
	font-size: 10px;
	fill: var(--cyan);
	text-anchor: middle;
}

/* Metric Display Cards */
.metrics-row {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 12px;
	margin-bottom: 16px;
}

.metric-card {
	background: var(--bg-panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 12px 16px;
	position: relative;
	overflow: hidden;
}

.metric-card::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 3px;
	height: 100%;
	background: var(--cyan);
}

.metric-label {
	font-size: 11px;
	font-family: var(--font-mono);
	color: var(--fg-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.metric-val {
	font-size: 20px;
	font-weight: 700;
	font-family: var(--font-mono);
	color: #fff;
	margin-top: 4px;
}

.metric-sub {
	font-size: 10px;
	font-family: var(--font-mono);
	color: var(--fg-dim);
	margin-top: 2px;
}

/* Cut sheet drawing container */
.cut-sheet-box {
	background: #06090e;
	border: 1px solid var(--border-bright);
	border-radius: var(--radius);
	padding: 16px;
	position: relative;
}

.blueprint-header-stamp {
	border: 1px solid var(--cyan);
	padding: 8px 12px;
	font-family: var(--font-mono);
	font-size: 10px;
	display: inline-grid;
	grid-template-columns: auto auto;
	gap: 4px 16px;
	background: rgba(0, 240, 255, 0.05);
	margin-bottom: 16px;
}

/* Checklist items */
.stage-item {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	padding: 10px 12px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	transition: all 0.15s;
}

.stage-item:hover {
	border-color: var(--border-bright);
}

.stage-item.completed {
	border-color: rgba(0, 230, 118, 0.4);
	background: rgba(0, 230, 118, 0.04);
}

.stage-badge {
	background: var(--bg-subtle);
	padding: 2px 6px;
	border-radius: 3px;
	font-family: var(--font-mono);
	font-size: 10px;
	font-weight: 700;
	color: var(--cyan);
}

/* Modal styling */
.modal-backdrop {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(0, 0, 0, 0.8);
	backdrop-filter: blur(4px);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 100;
	padding: 20px;
}

.modal-dialog {
	background: var(--bg-panel);
	border: 1px solid var(--cyan);
	box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
	border-radius: var(--radius);
	width: 100%;
	max-width: 680px;
	max-height: 90vh;
	overflow-y: auto;
}

.modal-header {
	padding: 14px 20px;
	background: var(--bg-card);
	border-bottom: 1px solid var(--border);
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.modal-title {
	font-size: 14px;
	font-family: var(--font-mono);
	font-weight: 700;
	color: var(--cyan);
	letter-spacing: 0.05em;
}

.modal-body {
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 14px;
}

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