@import "tailwindcss";

/* ─── Design Tokens ─── */
@theme {
	--color-bg: #08080d;
	--color-surface: #111117;
	--color-surface-hover: #17171e;
	--color-surface-active: #1c1c25;
	--color-edge: #1e1e2a;
	--color-edge-active: #2c2c3e;
	--color-fg: #eaeaef;
	--color-fg-secondary: #9e9eb5;
	--color-fg-dim: #5a5a6e;
	--color-accent: #6366f1;
	--color-accent-hover: #818cf8;
	--color-danger: #f43f5e;
	--color-success: #34d399;
	--radius-card: 14px;
}

/* ─── Base ─── */
@layer base {
	html,
	body {
		font-family:
			"SF Pro Display", -apple-system, BlinkMacSystemFont, "PingFang SC",
			"Hiragino Sans GB", "Microsoft YaHei", sans-serif;
		-webkit-font-smoothing: antialiased;
		-webkit-tap-highlight-color: transparent;
		-webkit-touch-callout: none;
	}

	body::after {
		content: "";
		@apply fixed pointer-events-none z-0;
		top: -30%;
		left: 50%;
		transform: translateX(-50%);
		width: 600px;
		height: 600px;
		background: radial-gradient(
			circle,
			rgba(99, 102, 241, 0.04) 0%,
			transparent 70%
		);
	}
}

/* ─── App Container (safe-area padding) ─── */
#app {
	padding: calc(16px + env(safe-area-inset-top, 0px)) 20px
		calc(16px + env(safe-area-inset-bottom, 0px));
}

/* ─── Connection Status States ─── */
.status.connected {
	@apply border-success/15;
}
.status.connected .dot {
	@apply bg-success;
	box-shadow: 0 0 6px rgba(52, 211, 153, 0.5);
}
.status.disconnected .dot {
	@apply bg-danger;
	box-shadow: 0 0 6px rgba(244, 63, 94, 0.4);
}
.status.connecting .dot {
	@apply bg-accent;
	animation: pulse 1.4s ease-in-out infinite;
}

/* ─── Preview Active State ─── */
.preview-box.active {
	border-color: rgba(99, 102, 241, 0.4);
	box-shadow:
		0 0 0 1px rgba(99, 102, 241, 0.2),
		0 4px 24px -4px rgba(99, 102, 241, 0.15);
	background: linear-gradient(
		180deg,
		rgba(99, 102, 241, 0.03) 0%,
		var(--color-surface) 100%
	);
}

/* ─── Placeholder Text ─── */
#preview-text.placeholder {
	@apply text-fg-dim;
}

/* ─── Mic Button ─── */
#mic-btn {
	background: linear-gradient(
		145deg,
		var(--color-surface-hover),
		var(--color-surface)
	);
	box-shadow:
		0 2px 12px rgba(0, 0, 0, 0.3),
		inset 0 1px 0 rgba(255, 255, 255, 0.04);
	transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
#mic-btn:disabled {
	@apply opacity-30 cursor-not-allowed;
}
#mic-btn:not(:disabled):active,
#mic-btn.recording {
	@apply bg-accent border-accent-hover text-white;
	transform: scale(1.06);
	box-shadow:
		0 0 32px rgba(99, 102, 241, 0.35),
		0 0 80px rgba(99, 102, 241, 0.2);
}
#mic-btn.recording {
	animation: mic-breathe 1.8s ease-in-out infinite;
}

/* ─── Wave Rings ─── */
#mic-btn.recording + .mic-rings .ring {
	animation: ring-expand 2.4s cubic-bezier(0.2, 0, 0.2, 1) infinite;
}
#mic-btn.recording + .mic-rings .ring:nth-child(2) {
	animation-delay: 0.8s;
}
#mic-btn.recording + .mic-rings .ring:nth-child(3) {
	animation-delay: 1.6s;
}

/* ─── History Items (dynamically created) ─── */
#history-list li {
	@apply bg-surface border border-edge rounded-card cursor-pointer flex items-start gap-3 transition-all duration-150;
	padding: 14px 16px;
	margin-bottom: 8px;
	font-size: 14px;
	line-height: 1.5;
	animation: slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
	animation-delay: calc(var(--i, 0) * 40ms);
}
#history-list li:active {
	@apply bg-surface-active border-edge-active;
	transform: scale(0.985);
}
#history-list li .hist-text {
	@apply flex-1 break-words;
}
#history-list li .hist-time {
	@apply text-fg-dim whitespace-nowrap shrink-0;
	font-size: 11px;
	padding-top: 2px;
	font-variant-numeric: tabular-nums;
}

/* ─── Text Button Active State ─── */
.text-btn:active {
	@apply text-danger;
	background: rgba(244, 63, 94, 0.08);
}

/* ─── Scrollbar ─── */
.preview-box::-webkit-scrollbar,
#history-list::-webkit-scrollbar {
	width: 3px;
}
.preview-box::-webkit-scrollbar-track,
#history-list::-webkit-scrollbar-track {
	background: transparent;
}
.preview-box::-webkit-scrollbar-thumb,
#history-list::-webkit-scrollbar-thumb {
	@apply bg-edge;
	border-radius: 3px;
}

/* ─── Toast ─── */
.toast {
	bottom: calc(80px + env(safe-area-inset-bottom, 0px));
	transform: translateX(-50%) translateY(8px);
	background: rgba(28, 28, 37, 0.85);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
	transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.show {
	@apply opacity-100;
	transform: translateX(-50%) translateY(0);
}

/* ─── Keyframes ─── */
@keyframes pulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.3;
	}
}

@keyframes mic-breathe {
	0%,
	100% {
		box-shadow:
			0 0 32px rgba(99, 102, 241, 0.35),
			0 0 80px rgba(99, 102, 241, 0.2);
	}
	50% {
		box-shadow:
			0 0 48px rgba(99, 102, 241, 0.35),
			0 0 120px rgba(99, 102, 241, 0.2),
			0 0 200px rgba(99, 102, 241, 0.08);
	}
}

@keyframes ring-expand {
	0% {
		transform: scale(1);
		opacity: 0.35;
	}
	100% {
		transform: scale(2);
		opacity: 0;
	}
}

@keyframes slide-up {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}