/* ============================================================
   ForgeOS — base tokens, desktop, taskbar, boot screen
   ============================================================ */

:root {
	--bg-0: #07090d;
	--bg-1: #0b0f15;
	--steel: #141a23;
	--steel-2: #1b232f;
	--line: #2a3342;
	--line-soft: #1f2733;
	--text: #d7dde7;
	--text-dim: #8b94a3;
	--ember: #ff7a1f;
	--ember-soft: #ffb35c;
	--ember-glow: rgba(255, 122, 31, 0.35);
	--ok: #7dd97b;
	--err: #ff5c5c;
	--info: #6db3f2;

	--font-ui: 'Chakra Petch', sans-serif;
	--font-mono: 'IBM Plex Mono', monospace;
	--font-display: 'Zen Dots', cursive;

	--taskbar-h: 46px;
	--radius: 8px;
}

* {
	box-sizing: border-box;
}

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

button {
	font-family: inherit;
	cursor: pointer;
}

::selection {
	background: var(--ember);
	color: #0b0f15;
}

/* ---------- Desktop ---------- */

#desktop {
	position: fixed;
	inset: 0 0 var(--taskbar-h) 0;
	overflow: hidden;
	background:
		radial-gradient(1100px 560px at 50% 118%, rgba(255, 122, 31, 0.16), transparent 62%),
		radial-gradient(900px 480px at 88% -12%, rgba(70, 110, 180, 0.1), transparent 60%),
		linear-gradient(180deg, #0b0f16 0%, #07090d 100%);
}

/* faint blueprint grid */
#desktop::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 140, 170, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 140, 170, 0.05) 1px, transparent 1px);
	background-size: 48px 48px;
	pointer-events: none;
}

/* CRT scanlines + vignette */
#desktop::after {
	content: '';
	position: absolute;
	inset: 0;
	background:
		repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.07) 0 1px, transparent 1px 3px),
		radial-gradient(120% 90% at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
	pointer-events: none;
}

/* ---------- Desktop icons ---------- */

#icons {
	position: absolute;
	top: 18px;
	left: 14px;
	display: grid;
	grid-auto-flow: column;
	grid-template-rows: repeat(auto-fill, 92px);
	gap: 6px;
	height: calc(100% - 36px);
	z-index: 1;
}

.desk-icon {
	width: 84px;
	height: 88px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 7px;
	border: 1px solid transparent;
	border-radius: var(--radius);
	background: transparent;
	color: var(--text);
	user-select: none;
	transition: background 0.15s, border-color 0.15s, opacity 0.4s, transform 0.4s;
}

.desk-icon:hover {
	background: rgba(255, 255, 255, 0.05);
	border-color: var(--line-soft);
}

.desk-icon:active {
	background: rgba(255, 122, 31, 0.12);
	border-color: var(--ember-glow);
}

.desk-icon svg {
	width: 38px;
	height: 38px;
	filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.desk-icon span {
	font-size: 12px;
	letter-spacing: 0.04em;
	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

/* used by the `sudo rm -rf /` easter egg */
.desk-icon.deleted {
	opacity: 0;
	transform: translateY(14px) scale(0.85);
	pointer-events: none;
}

/* ---------- Taskbar ---------- */

#taskbar {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	height: var(--taskbar-h);
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 0 10px;
	background: rgba(13, 17, 24, 0.92);
	backdrop-filter: blur(10px);
	border-top: 1px solid var(--line-soft);
	box-shadow: 0 -1px 0 rgba(255, 122, 31, 0.18), 0 -8px 24px rgba(0, 0, 0, 0.45);
	z-index: 5000;
}

#forge-btn {
	display: grid;
	place-items: center;
	width: 36px;
	height: 36px;
	border: 1px solid var(--line);
	border-radius: 7px;
	background: linear-gradient(180deg, var(--steel-2), var(--steel));
	color: var(--ember);
	transition: box-shadow 0.15s, color 0.15s;
}

#forge-btn:hover {
	color: var(--ember-soft);
	box-shadow: 0 0 12px var(--ember-glow);
}

#task-items {
	display: flex;
	gap: 6px;
	flex: 1;
	overflow-x: auto;
	scrollbar-width: none;
}

.task-item {
	display: flex;
	align-items: center;
	gap: 7px;
	height: 34px;
	padding: 0 12px;
	border: 1px solid var(--line-soft);
	border-radius: 7px;
	background: var(--steel);
	color: var(--text-dim);
	font-size: 12.5px;
	letter-spacing: 0.03em;
	white-space: nowrap;
	transition: color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.task-item svg {
	width: 16px;
	height: 16px;
}

.task-item:hover {
	color: var(--text);
}

.task-item.active {
	color: var(--text);
	border-color: rgba(255, 122, 31, 0.5);
	box-shadow: inset 0 -2px 0 var(--ember);
}

.task-item.minimized {
	opacity: 0.55;
}

#tray {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	justify-content: center;
	padding: 0 6px;
	user-select: none;
	cursor: pointer;
	line-height: 1.25;
}

#clock {
	font-family: var(--font-mono);
	font-size: 14px;
	color: var(--ember-soft);
}

#tray-date {
	font-size: 10.5px;
	color: var(--text-dim);
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

/* ---------- Forge menu (start menu) ---------- */

#forge-menu {
	position: fixed;
	left: 10px;
	bottom: calc(var(--taskbar-h) + 8px);
	width: 230px;
	padding: 8px;
	background: rgba(16, 21, 29, 0.97);
	border: 1px solid var(--line);
	border-radius: 10px;
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 122, 31, 0.08);
	z-index: 6000;
	animation: menu-in 0.14s ease-out;
}

@keyframes menu-in {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

#forge-menu .menu-title {
	font-family: var(--font-display);
	font-size: 11px;
	color: var(--ember);
	letter-spacing: 0.18em;
	padding: 6px 10px 8px;
	border-bottom: 1px solid var(--line-soft);
	margin-bottom: 6px;
}

.menu-app {
	display: flex;
	align-items: center;
	gap: 10px;
	width: 100%;
	padding: 9px 10px;
	border: 0;
	border-radius: 7px;
	background: transparent;
	color: var(--text);
	font-size: 13.5px;
	text-align: left;
}

.menu-app:hover {
	background: rgba(255, 122, 31, 0.12);
}

.menu-app svg {
	width: 18px;
	height: 18px;
}

/* ---------- FX canvas (easter eggs) ---------- */

#fx {
	position: fixed;
	inset: 0;
	z-index: 9000;
	pointer-events: none;
	display: none;
}

#fx.active {
	display: block;
}

/* ---------- Boot screen ---------- */

#boot {
	position: fixed;
	inset: 0;
	z-index: 10000;
	display: grid;
	place-items: center;
	background: var(--bg-0);
	cursor: pointer;
	transition: opacity 0.5s ease;
}

#boot.done {
	opacity: 0;
	pointer-events: none;
}

.boot-inner {
	width: min(460px, 86vw);
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.boot-logo {
	font-family: var(--font-display);
	font-size: clamp(34px, 7vw, 52px);
	letter-spacing: 0.14em;
	color: var(--text);
	text-shadow: 0 0 30px var(--ember-glow);
	animation: logo-in 0.8s ease-out;
}

.boot-logo span {
	color: var(--ember);
}

@keyframes logo-in {
	from {
		opacity: 0;
		letter-spacing: 0.4em;
	}
	to {
		opacity: 1;
		letter-spacing: 0.14em;
	}
}

.boot-log {
	font-family: var(--font-mono);
	font-size: 12px;
	color: var(--text-dim);
	min-height: 96px;
	line-height: 1.6;
}

.boot-log .ok {
	color: var(--ok);
}

.boot-bar {
	height: 3px;
	background: var(--line-soft);
	border-radius: 2px;
	overflow: hidden;
}

.boot-bar-fill {
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, var(--ember), var(--ember-soft));
	box-shadow: 0 0 12px var(--ember-glow);
	transition: width 0.3s ease;
}

.boot-skip {
	font-size: 11px;
	color: var(--text-dim);
	opacity: 0.5;
	text-align: center;
	letter-spacing: 0.08em;
}