/* ROOT */
:root {
	--bg: #0f1115;
	--panel: #171a21;
	--text: #e6e8ee;
	--muted: #9aa3b2;
	--accent: #6ea8fe;
	--btn: #232838;
	--border: #2a3147;
}

html,
body {
	height: 100%;
	margin: 0;
	overflow: hidden;
	font-family: system-ui, Arial, sans-serif;
	background: var(--bg);
	color: var(--text);
}

/* ─── TOOLBAR ──────────────────────────────────── */
.toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	padding: 0.6rem 1rem;
	background: var(--panel);
	border-bottom: 1px solid var(--border);
}

.toolbar .group {
	display: flex;
	gap: 0.35rem;
	align-items: center;
	flex-wrap: wrap;
}

.toolbar-label {
	font-size: 0.75rem;
	color: var(--muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.toolbar button,
.toolbar select,
.toolbar input[type="number"] {
	background: var(--btn);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: 0.4rem;
	padding: 0.35rem 0.6rem;
	font-size: 0.82rem;
	cursor: pointer;
}

.toolbar button:hover {
	border-color: #4a5470;
}

.toolbar button:disabled {
	opacity: 0.35;
	cursor: default;
}

/* Active state — used for + Edge, Grid, and mode buttons */
.toolbar button.active {
	background: var(--accent);
	color: #0c0f17;
	border-color: var(--accent);
	font-weight: 600;
}

/* Mode buttons */
.mode-btn {
	border-radius: 0.4rem;
}

/* File import label styled as button */
.file-label {
	background: var(--btn);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: 0.4rem;
	padding: 0.35rem 0.6rem;
	font-size: 0.82rem;
	cursor: pointer;
	white-space: nowrap;
}

.file-label:hover {
	border-color: #4a5470;
}

.file-label input[type="file"] {
	display: none;
}

/* ─── LAYOUT ───────────────────────────────────── */
main {
	display: grid;
	grid-template-columns: 300px 1fr;
	height: calc(100vh - 88px);
	overflow: hidden;
}

/* ─── INSPECTOR ─────────────────────────────────── */
.inspector {
	min-width: 0;
	background: var(--panel);
	padding: 1rem;
	border-right: 1px solid var(--border);
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
}

.inspector h3 {
	margin: 0 0 0.6rem;
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--muted);
}

.insp-section {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
	margin-bottom: 0.5rem;
}

.inspector label {
	font-size: 0.8rem;
	color: var(--muted);
}

.inspector textarea,
.inspector select,
.inspector input[type="text"],
.inspector input[type="number"] {
	width: 100%;
	background: #11141b;
	border: 1px solid var(--border);
	color: var(--text);
	padding: 0.45rem 0.5rem;
	border-radius: 0.4rem;
	font-size: 0.82rem;
	box-sizing: border-box;
	resize: vertical;
}

.inspector textarea:focus,
.inspector select:focus,
.inspector input:focus {
	outline: none;
	border-color: var(--accent);
}

.inspector .row {
	display: flex;
	align-items: center;
	gap: 0.4rem;
}

.inspector .row label {
	flex-shrink: 0;
	width: 42px;
}

.inspector .row select,
.inspector .row input[type="number"],
.inspector .row input[type="text"] {
	flex: 1;
}

.inspector input[type="color"] {
	width: 36px;
	height: 28px;
	padding: 2px;
	border: 1px solid var(--border);
	border-radius: 0.3rem;
	background: #11141b;
	cursor: pointer;
}

.small-btn {
	background: var(--btn);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: 0.4rem;
	padding: 0.35rem 0.6rem;
	font-size: 0.8rem;
	cursor: pointer;
	text-align: left;
}

.small-btn:hover {
	border-color: #4a5470;
}

.hint {
	font-size: 0.75rem;
	color: var(--muted);
	margin: 0;
	line-height: 1.4;
}

/* ─── ERD FIELD ROWS ────────────────────────────── */
#erdFields {
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.erd-field-row {
	display: flex;
	gap: 0.25rem;
	align-items: center;
}

.erd-field-row input[type="checkbox"] {
	flex-shrink: 0;
	width: 14px;
	height: 14px;
	cursor: pointer;
	accent-color: var(--accent);
}

.erd-field-row input[type="text"] {
	flex: 1;
	padding: 0.25rem 0.4rem;
	font-size: 0.75rem;
}

.f-del {
	flex-shrink: 0;
	background: transparent;
	color: #ef5350;
	border: 1px solid #3a2020;
	border-radius: 0.3rem;
	padding: 0.15rem 0.4rem;
	font-size: 0.85rem;
	cursor: pointer;
	line-height: 1;
}

.f-del:hover {
	background: #3a2020;
}

/* ─── CANVAS ─────────────────────────────────────── */
#cy {
	position: relative;
	min-width: 0;
	overflow: hidden;
	width: 100%;
	height: 100%;
	border-left: 1px solid var(--border);
}

/* Grid background — toggled via .snap-grid class */
#cy.snap-grid {
	background-image:
		linear-gradient(to right, #1a1e2a 1px, transparent 1px),
		linear-gradient(to bottom, #1a1e2a 1px, transparent 1px);
}

/* ─── MINIMAP ─────────────────────────────────────── */
#minimap {
	position: absolute;
	bottom: 12px;
	right: 12px;
	width: 180px;
	height: 115px;
	background: rgba(23, 26, 33, 0.95);
	border: none;
	border-radius: 3px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
	overflow: hidden;
	z-index: 10;
	cursor: crosshair;
	display: block;
}

/* ─── PRESENTATION MODE ───────────────────────────── */
body.presenting .toolbar,
body.presenting .inspector,
body.presenting footer {
	display: none;
}

body.presenting main {
	grid-template-columns: 1fr;
	height: 100vh;
}

body.presenting #cy {
	border-left: none;
}

#btnExitPresent {
	display: none;
	position: absolute;
	top: 1rem;
	right: 1rem;
	z-index: 100;
	background: rgba(23, 26, 33, 0.9);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: 0.4rem;
	padding: 0.4rem 0.9rem;
	font-size: 0.82rem;
	cursor: pointer;
	backdrop-filter: blur(4px);
}

#btnExitPresent:hover {
	background: rgba(42, 48, 71, 0.95);
}

body.presenting #btnExitPresent {
	display: block;
}

/* Hide minimap in presentation */
body.presenting #minimap {
	display: none;
}

/* ─── GSN INSPECTOR ──────────────────────────────── */

/* ID input in GSN section gets a monospace look */
#gsnIdInput {
	font-family: monospace;
	font-size: 0.9rem;
	font-weight: 700;
	letter-spacing: 0.03em;
}

/* Undeveloped checkbox row */
.undeveloped-row {
	gap: 0.5rem;
	padding: 0.35rem 0;
}

.undeveloped-row input[type="checkbox"] {
	width: 15px;
	height: 15px;
	accent-color: #ffb300;
	cursor: pointer;
	flex-shrink: 0;
}

.inspector .row.undeveloped-row label {
	color: #ffb300;
	cursor: pointer;
	width: auto;
}

/* ─── FOOTER ─────────────────────────────────────── */
footer {
	background: var(--panel);
	padding: 0.45rem 1rem;
	color: var(--muted);
	font-size: 0.78rem;
	border-top: 1px solid var(--border);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.save-indicator {
	font-size: 0.72rem;
	color: #4caf50;
	opacity: 0;
	transition: opacity 0.4s;
}

.save-indicator.visible {
	opacity: 1;
}

/* ─── UTILITY ────────────────────────────────────── */
.hidden {
	display: none !important;
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 700px) {
	main {
		grid-template-columns: 1fr;
		grid-template-rows: auto 1fr;
		height: calc(100vh - 130px);
	}

	.inspector {
		border-right: none;
		border-bottom: 1px solid var(--border);
		max-height: 220px;
	}

	#cy {
		border-left: none;
	}
}