:root {
	/* Mặc định Theme Tối (Cyberpunk Dark) */
	--bg-color: #05050a;
	--panel-bg: #0d0d1a;
	--modal-bg: rgba(2, 2, 5, 0.95);
	--input-bg: #030307;
	--primary: #00f0ff;
	--secondary: #ff0055;
	--accent: #ffe600;
	--text-main: #f0f6fc;
	--text-muted: #8b949e;
	--correct: #00ff66;
	--incorrect: #ff4d4d;
	--track-bg: rgba(255, 255, 255, 0.04);
	--border-color: rgba(0, 240, 255, 0.3);
}

/* Theme Sáng (Modern Light) */
[data-theme="light"] {
	--bg-color: #f4f6f9;
	--panel-bg: #ffffff;
	--modal-bg: rgba(244, 246, 249, 0.95);
	--input-bg: #ffffff;
	--primary: #0088ff;
	--secondary: #e6005c;
	--accent: #d97706;
	--text-main: #1f2937;
	--text-muted: #6b7280;
	--correct: #10b981;
	--incorrect: #dc2626;
	--track-bg: rgba(0, 0, 0, 0.05);
	--border-color: rgba(0, 136, 255, 0.3);
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	font-family: "Rajdhani", sans-serif;
}

body {
	background: var(--bg-color);
	color: var(--text-main);
	display: flex;
	justify-content: center;
	min-height: 100vh;
	overflow-x: hidden;
	transition:
		background-color 0.3s ease,
		color 0.3s ease;
}

.hidden {
	display: none !important;
}

.cyber-box {
	background: var(--panel-bg);
	border: 1px solid var(--border-color);
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
	border-radius: 8px;
	position: relative;
}

.modal {
	position: fixed;
	inset: 0;
	background: var(--modal-bg);
	display: flex;
	justify-content: center;
	align-items: center;
	z-index: 100;
}

.modal-content {
	padding: 30px;
	width: 450px;
	text-align: center;
	border-color: var(--primary);
}

.glitch-title {
	font-family: "Orbitron", sans-serif;
	font-size: 32px;
	font-weight: 900;
	color: var(--primary);
	text-shadow: 0 0 12px var(--primary);
}

.subtitle {
	font-size: 13px;
	color: var(--secondary);
	letter-spacing: 4px;
	font-weight: bold;
	margin-bottom: 20px;
}

/* USER PROFILE BAR & BADGE */
#user-profile-bar.left-bar {
	position: fixed;
	top: 15px;
	left: 15px;
	display: flex;
	align-items: center;
	gap: 10px;
	background: var(--panel-bg);
	border: 1px solid var(--primary);
	padding: 8px 14px;
	border-radius: 8px;
	box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
	z-index: 1000;
}

#profile-name {
	color: var(--accent);
	font-weight: bold;
	font-size: 16px;
}

.theme-btn {
	margin-left: 4px;
	background: rgba(255, 230, 0, 0.15) !important;
	border-color: var(--accent) !important;
	color: var(--accent) !important;
}

.theme-btn:hover {
	background: var(--accent) !important;
	color: #000 !important;
}

.online-badge.top-right-badge {
	position: fixed;
	top: 15px;
	right: 15px;
	display: flex;
	align-items: center;
	gap: 6px;
	background: var(--panel-bg);
	border: 1px solid var(--correct);
	color: var(--correct);
	padding: 8px 14px;
	border-radius: 8px;
	font-size: 13px;
	font-weight: bold;
	z-index: 1000;
}

.online-dot {
	width: 8px;
	height: 8px;
	background-color: var(--correct);
	border-radius: 50%;
	box-shadow: 0 0 8px var(--correct);
	animation: blink 1.5s infinite;
}

@keyframes blink {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.3;
	}
}

.btn-small {
	background: rgba(0, 240, 255, 0.15);
	border: 1px solid var(--primary);
	color: var(--primary);
	padding: 4px 10px;
	font-size: 12px;
	cursor: pointer;
	border-radius: 4px;
	transition: all 0.2s ease;
	font-weight: bold;
	font-family: "Orbitron", sans-serif;
}

.btn-small:hover {
	background: var(--primary);
	color: #000;
	box-shadow: 0 0 10px var(--primary);
}

/* CHAT GLOBAL */
.global-chat-box {
	margin-top: 15px;
	background: var(--panel-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 12px;
	text-align: left;
}

.chat-header-title {
	font-size: 11px;
	color: var(--primary);
	font-weight: bold;
	margin-bottom: 8px;
	font-family: "Orbitron", sans-serif;
}

.global-chat-messages {
	height: 120px;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding-right: 5px;
	margin-bottom: 12px;
}

.chat-msg-item {
	font-size: 13px;
	font-family: "Rajdhani", sans-serif;
	word-break: break-word;
	line-height: 1.3;
	background: var(--track-bg);
	padding: 6px 10px;
	border-radius: 4px;
	border-left: 2px solid var(--primary);
}

.chat-msg-user {
	font-weight: bold;
	color: var(--accent);
	margin-right: 6px;
}

.chat-msg-time {
	font-size: 10px;
	color: var(--text-muted);
	margin-left: 6px;
}

.global-chat-input-wrapper {
	display: flex;
	gap: 8px;
	width: 100%;
	align-items: center;
}

.global-chat-input {
	flex: 1;
	width: 100%;
	background: var(--input-bg);
	border: 1px solid var(--border-color);
	color: var(--text-main);
	padding: 8px 12px;
	border-radius: 6px;
	font-family: "Rajdhani", sans-serif;
	font-size: 14px;
	outline: none;
}

.global-chat-input:focus {
	border-color: var(--primary);
}

.global-chat-send-btn {
	background: rgba(0, 240, 255, 0.12);
	border: 1px solid var(--primary);
	color: var(--primary);
	padding: 8px 16px;
	border-radius: 6px;
	font-family: "Orbitron", sans-serif;
	font-size: 13px;
	font-weight: bold;
	cursor: pointer;
}

/* CHỌN CHẾ ĐỘ THI ĐẤU */
.mode-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	margin: 10px 0;
}

.mode-card {
	background: var(--track-bg);
	border: 2px solid var(--border-color);
	border-radius: 8px;
	padding: 10px;
	cursor: pointer;
	text-align: center;
	transition: all 0.25s ease;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.mode-card:hover {
	border-color: var(--primary);
	transform: translateY(-2px);
}

.mode-card.selected {
	border-color: var(--secondary);
	background: rgba(255, 0, 85, 0.15);
}

.mode-card .icon {
	font-size: 22px;
}

.mode-card .title {
	font-family: "Orbitron", sans-serif;
	font-size: 12px;
	color: var(--text-main);
	font-weight: bold;
}

.cyber-btn {
	width: 100%;
	padding: 14px;
	background: linear-gradient(45deg, var(--secondary), #b0003a);
	border: none;
	color: #fff;
	font-family: "Orbitron", sans-serif;
	font-weight: bold;
	font-size: 16px;
	cursor: pointer;
	border-radius: 4px;
	transition: 0.2s;
}

.cyber-btn:hover {
	filter: brightness(1.2);
	transform: translateY(-2px);
}

.screen {
	width: 100%;
	max-width: 900px;
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 20px;
	justify-content: center;
}

.lobby-box {
	padding: 30px;
	text-align: center;
}

.lobby-title {
	font-family: "Orbitron", sans-serif;
	color: var(--primary);
	margin-bottom: 10px;
	font-size: 24px;
}

.lobby-players-title {
	font-size: 14px;
	color: var(--text-muted);
	margin-bottom: 15px;
	text-align: left;
	font-weight: bold;
}

#lobby-players-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: 12px;
}

.lobby-player-card {
	background: var(--input-bg);
	border: 1px solid var(--border-color);
	padding: 12px;
	border-radius: 6px;
	font-weight: bold;
	color: var(--primary);
	text-align: left;
	font-size: 14px;
}

header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 25px;
}

header .logo {
	font-family: "Orbitron", sans-serif;
	font-weight: 900;
	color: var(--primary);
	font-size: 20px;
}

#status-box {
	font-family: "Orbitron", sans-serif;
	font-size: 16px;
	font-weight: bold;
	color: var(--accent);
}

#timer-box {
	font-family: "Orbitron", sans-serif;
	font-size: 16px;
	color: var(--correct);
}

/* ĐƯỜNG ĐUA REALTIME */
#race-tracks-container {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.track-row {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.track-header {
	display: flex;
	justify-content: space-between;
	font-family: "Rajdhani", sans-serif;
	font-size: 15px;
	font-weight: bold;
}

.track-line-bg {
	width: 100%;
	height: 24px;
	background: var(--track-bg);
	border: 1px solid var(--border-color);
	border-radius: 12px;
	position: relative;
}

.track-line-bg::after {
	content: "🏁";
	position: absolute;
	right: 4px;
	top: -2px;
	font-size: 16px;
	opacity: 0.8;
}

.track-line-fill {
	height: 100%;
	border-radius: 12px;
	position: relative;
	transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.runner-icon-badge {
	position: absolute;
	right: -16px;
	top: -7px;
	width: 38px;
	height: 38px;
	background: var(--panel-bg);
	border: 2px solid;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 20px;
	z-index: 10;
}

/* KHU VỰC GÕ CHỮ & QUẢN LÝ TẮT/MỞ FOCUS TẠI ĐÂY */

#typing-area {
	padding: 25px;
}

#words-display {
	font-family: "Lexend", sans-serif;
	font-size: 24px;
	font-weight: 500;
	letter-spacing: 0.5px;
	line-height: 1.8;
	height: 150px;
	overflow-y: auto;
	padding: 15px;
	background: var(--input-bg);
	border-radius: 6px;
	border: 1px solid var(--border-color);
	margin-bottom: 20px;
	user-select: none;
}

.word {
	display: inline-block;
	margin-right: 12px;
	color: var(--text-muted);
	padding: 0 6px;
	border-radius: 4px;
	border-bottom: 3px solid transparent;
	transition: all 0.15s ease;
}

/* Đã gõ xong đúng từ */
.word.correct {
	color: var(--correct);
	font-weight: 600;
	border-bottom-color: transparent;
	background: transparent;
}

/* CẤU HÌNH FOCUS LUÔN HIỂN THỊ CHO TỪ ĐANG GÕ */
.word.current {
	font-weight: bold;
	background: rgba(255, 255, 255, 0.08);
	border-bottom: 3px solid var(--primary);
	color: var(--text-main);
}

/* 1. Gõ ĐÚNG ký tự dở dang -> FOCUS MÀU XANH LÁ */
.word.current.correct-typing {
	color: var(--correct) !important;
	background: rgba(0, 255, 102, 0.15) !important;
	border-bottom-color: var(--correct) !important;
	box-shadow: 0 0 10px rgba(0, 255, 102, 0.3);
}

/* 2. Gõ SAI ký tự dở dang -> GIỮ NGUYÊN FOCUS NHƯNG MÀU ĐỎ */
.word.current.incorrect-typing {
	color: var(--incorrect) !important;
	background: rgba(255, 77, 77, 0.2) !important;
	border-bottom-color: var(--incorrect) !important;
	box-shadow: 0 0 10px rgba(255, 77, 77, 0.4);
}

/* Ô Nhập Input */
#type-input {
	width: 100%;
	padding: 16px;
	font-family: "Lexend", sans-serif;
	font-size: 20px;
	background: var(--input-bg);
	border: 2px solid var(--border-color);
	color: var(--text-main);
	border-radius: 6px;
	outline: none;
	transition: 0.2s;
}

#type-input:focus {
	border-color: var(--primary);
	box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* BẢNG TỔNG KẾT & POPUP */
.summary-box,
#summary-modal .modal-content,
.summary-modal-content {
	width: 90% !important;
	max-width: 750px !important;
	padding: 30px 25px !important;
}

#summary-table {
	width: 100%;
	border-collapse: collapse;
	margin-top: 15px;
}

#summary-table th,
#summary-table td {
	padding: 12px 10px !important;
	border-bottom: 1px solid var(--border-color);
	text-align: center;
	white-space: nowrap !important;
}

#summary-table th {
	color: var(--primary);
	font-family: "Orbitron", sans-serif;
	font-size: 14px;
}

#chat-container {
	padding: 15px;
}

#chat-input {
	width: 100%;
	padding: 12px;
	background: var(--input-bg);
	border: 1px solid var(--primary);
	color: var(--text-main);
	border-radius: 4px;
	outline: none;
}

#chat-popups {
	position: fixed;
	top: 30px;
	right: 30px;
	display: flex;
	flex-direction: column;
	gap: 15px;
	z-index: 999;
	pointer-events: none;
}

.chat-bubble {
	background: var(--panel-bg);
	border: 2px solid var(--primary);
	color: var(--text-main);
	padding: 16px 22px;
	border-radius: 12px;
	min-width: 280px;
	max-width: 400px;
	font-size: 18px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.chat-bubble .sender {
	font-size: 14px;
	color: var(--accent);
	display: block;
	font-weight: bold;
	font-family: "Orbitron", sans-serif;
	margin-bottom: 6px;
}

.custom-popup {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.8);
	backdrop-filter: blur(8px);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 999;
}

.popup-content {
	background: var(--panel-bg);
	border: 2px solid var(--primary);
	border-radius: 12px;
	padding: 25px;
	width: 90%;
	max-width: 400px;
	text-align: center;
}

.footer-copyright {
	position: fixed;
	bottom: 10px;
	left: 0;
	width: 100%;
	text-align: center;
	font-family: "Orbitron", sans-serif;
	font-size: 11px;
	color: var(--text-muted);
	pointer-events: none;
	z-index: 1001;
}

.race-title {
	text-align: center;
	font-family: "Orbitron", sans-serif;
	font-size: 20px;
	font-weight: 800;
	color: var(--primary);
	text-transform: uppercase;
	letter-spacing: 2px;
	margin-bottom: 15px;

	/* Hiệu ứng phát sáng Neon (Glow Effect) */
	text-shadow:
		0 0 8px rgba(0, 240, 255, 0.6),
		0 0 16px rgba(0, 240, 255, 0.3);
}

#fireworks-canvas {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 80;
}

/* ANIMATIONS LỖI LOGIC GÕ CHỮ */
.flash-red {
	animation: flashRed 0.2s ease-in-out;
	border-color: var(--secondary) !important;
}

@keyframes flashRed {
	0%,
	100% {
		background: var(--input-bg);
	}
	50% {
		background: rgba(255, 0, 85, 0.15);
	}
}

.input-error {
	border: 2px solid #ff4d4d !important;
	animation: shake 0.2s ease-in-out;
}

@keyframes shake {
	0%,
	100% {
		transform: translateX(0);
	}
	25% {
		transform: translateX(-5px);
	}
	75% {
		transform: translateX(5px);
	}
}