/* Reset and base styles */
*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	/* Colors */
	--bg-primary: #1a1a1a;
	--bg-secondary: #2a2a2a;
	--bg-tertiary: #3a3a3a;
	--bg-card: #2d2d2d;
	--bg-hover: #404040;
	--border-color: #444;
	--text-primary: #ffffff;
	--text-secondary: #b3b3b3;
	--text-muted: #888;
	--accent-blue: #4a9eff;
	--accent-blue-hover: #357abd;
	--accent-orange: #ff6b35;
	--accent-green: #4caf50;
	
	/* Shadows and Effects */
	--shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
	--shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
	--border-radius: 8px;
	--transition: all 0.2s ease;
	
	/* Layout */
	--sidebar-width: 320px;
	--header-height: 70px;
}

body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	background: linear-gradient(135deg, var(--bg-primary) 0%, #1e1e1e 100%);
	color: var(--text-primary);
	min-height: 100vh;
	line-height: 1.6;
}

/* Common button styles */
.btn,
button {
	border: none;
	border-radius: var(--border-radius);
	cursor: pointer;
	font-weight: 600;
	transition: var(--transition);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-size: 0.9rem;
	padding: 0.75rem 1.5rem;
}

.btn-primary,
.customize-btn,
.equip-btn {
	background: var(--accent-blue);
	color: white;
}

.btn-primary:hover,
.customize-btn:hover,
.equip-btn:hover {
	background: var(--accent-blue-hover);
	transform: translateY(-1px);
}

.btn-secondary {
	background: var(--bg-tertiary);
	color: var(--text-secondary);
	border: 1px solid var(--border-color);
}

.btn-secondary:hover {
	background: var(--bg-hover);
	color: var(--text-primary);
}

.equip-btn {
	background: var(--accent-green);
}

.equip-btn:hover {
	background: #45a049;
}

.logout-btn {
	background: var(--accent-orange);
	color: white;
	text-decoration: none;
	padding: 0.5rem 1rem;
	border-radius: var(--border-radius);
	transition: var(--transition);
	font-weight: 500;
}

.logout-btn:hover {
	background: #e55a2b;
	text-decoration: none;
}

/* Login Page */
.login-container {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	padding: 20px;
}

.login-card {
	background: var(--bg-card);
	padding: 40px;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-lg);
	text-align: center;
	max-width: 400px;
	width: 100%;
	border: 1px solid var(--border-color);
}

.login-card h1 {
	margin-bottom: 10px;
	color: var(--accent-blue);
	font-size: 2.5rem;
	font-weight: 700;
}

.login-card p {
	margin-bottom: 30px;
	color: var(--text-secondary);
	font-size: 1.1rem;
}

/* App Layout */
.app-container {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

.app-header {
	background: var(--bg-secondary);
	padding: 1rem 2rem;
	border-bottom: 1px solid var(--border-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
	box-shadow: var(--shadow);
	height: var(--header-height);
}

.header-left h1 {
	color: var(--accent-blue);
	font-size: 1.8rem;
	font-weight: 700;
}

.header-right {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.user-info {
	color: var(--text-secondary);
	font-size: 0.9rem;
}

.app-main {
	display: flex;
	flex: 1;
	overflow: hidden;
	min-height: 0;
}

/* Sidebar */
.sidebar {
	width: var(--sidebar-width);
	background: var(--bg-secondary);
	border-right: 1px solid var(--border-color);
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.sidebar-header {
	padding: 1.5rem;
	border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
	color: var(--text-primary);
	font-size: 1.3rem;
	font-weight: 600;
	margin-bottom: 1rem;
}

.search-container {
	position: relative;
}

.search-container input {
	width: 100%;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-color);
	border-radius: var(--border-radius);
	padding: 0.75rem;
	color: var(--text-primary);
	font-size: 0.9rem;
	transition: var(--transition);
}

.search-container input:focus {
	outline: none;
	border-color: var(--accent-blue);
	box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

.search-container input::placeholder {
	color: var(--text-muted);
}

.sidebar-nav {
	flex: 1;
	padding: 1rem 0;
	overflow-y: auto;
	overflow-x: hidden;
	scrollbar-width: thin;
}

/* Navigation Items */
.nav-item {
	display: flex;
	align-items: center;
	padding: 1rem 1.5rem;
	cursor: pointer;
	transition: var(--transition);
	border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
	background: var(--bg-hover);
	border-left-color: var(--accent-blue);
}

.nav-icon {
	font-size: 1.2rem;
	margin-right: 0.75rem;
	width: 24px;
	text-align: center;
}

.nav-content {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.nav-text {
	font-weight: 500;
	color: var(--text-primary);
}

.nav-count {
	background: var(--bg-tertiary);
	color: var(--text-secondary);
	font-size: 0.75rem;
	padding: 0.2rem 0.5rem;
	border-radius: 12px;
	font-weight: 600;
	min-width: 20px;
	text-align: center;
}

.nav-item.active .nav-count {
	background: var(--accent-blue);
	color: white;
}

.nav-arrow {
	color: var(--text-muted);
	transition: var(--transition);
	font-size: 0.8rem;
	margin-left: 0.5rem;
}

/* Weapon Lists */
.nav-category {
	margin-bottom: 0.5rem;
}

.weapon-list {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
	background: rgba(0, 0, 0, 0.1);
}

.weapon-list.expanded {
	max-height: none;
}

.weapon-container:last-child {
	border-bottom: none;
}

.weapon-item {
	display: flex;
	align-items: center;
	padding: 0.75rem 2rem;
	cursor: pointer;
	transition: var(--transition);
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.weapon-item:hover,
.weapon-item.expanded {
	background: var(--bg-hover);
}

.weapon-icon {
	width: 32px;
	height: 20px;
	object-fit: contain;
	margin-right: 0.75rem;
	border-radius: 4px;
}

.weapon-name {
	flex: 1;
	font-size: 0.85rem;
	color: var(--text-secondary);
}

.weapon-arrow {
	color: var(--text-muted);
	font-size: 0.7rem;
	transition: var(--transition);
}

.weapon-item.expanded .weapon-arrow {
	transform: rotate(90deg);
}

.weapon-skins-grid {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
	background: var(--bg-primary);
}

.weapon-skins-grid.expanded {
	max-height: none;
	padding: 1rem;
}

.skins-container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
	gap: 0.5rem;
}

.skin-option {
	background: var(--bg-secondary);
	border-radius: var(--border-radius);
	border: 1px solid var(--border-color);
	overflow: hidden;
	cursor: pointer;
	transition: var(--transition);
	text-align: center;
	padding: 0.5rem;
}

.skin-option:hover {
	transform: translateY(-2px);
	border-color: var(--accent-blue);
}

.skin-option.active {
	border-color: var(--accent-green);
	box-shadow: 0 0 8px rgba(76, 175, 80, 0.3);
}

.skin-option img {
	width: 100%;
	height: 60px;
	object-fit: contain;
	margin-bottom: 0.25rem;
	border-radius: 4px;
}

.skin-option-name {
	font-size: 0.7rem;
	color: var(--text-secondary);
	line-height: 1.2;
}

/* Main Content */
.main-content {
	flex: 1;
	padding: 2rem;
	overflow-y: auto;
	background: var(--bg-primary);
}

.loadout-header {
	margin-bottom: 2rem;
}

.loadout-header h2 {
	color: var(--text-primary);
	font-size: 2rem;
	font-weight: 700;
	margin-bottom: 0.5rem;
}

.loadout-header p {
	color: var(--text-secondary);
	font-size: 1.1rem;
}

/* Loadout Grid */
.loadout-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 1.5rem;
	max-width: 1200px;
}

.loadout-item {
	background: var(--bg-card);
	border-radius: var(--border-radius);
	border: 1px solid var(--border-color);
	overflow: hidden;
	transition: all 0.3s ease;
	position: relative;
	animation: fadeInUp 0.3s ease;
}

.loadout-item:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-lg);
	border-color: var(--accent-blue);
}

.loadout-item[data-equipped="true"] {
	border-color: var(--accent-green);
}

.loadout-item[data-equipped="true"] .item-category {
	color: var(--accent-green);
}

.item-image-container {
	position: relative;
	aspect-ratio: 16/10;
	background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

.item-image {
	width: 80%;
	height: auto;
	object-fit: contain;
	transition: var(--transition);
}

.item-overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transition: var(--transition);
}

.loadout-item:hover .item-overlay {
	opacity: 1;
}

.item-info {
	padding: 1rem;
}

.item-category {
	color: var(--text-muted);
	font-size: 0.8rem;
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 0.25rem;
	font-weight: 500;
}

.item-name {
	color: var(--text-primary);
	font-weight: 600;
	font-size: 0.95rem;
	line-height: 1.3;
}

/* Footer */
.app-footer {
	background: var(--bg-secondary);
	border-top: 1px solid var(--border-color);
	padding: 1rem 0;
	text-align: center;
	margin-top: auto;
}

.footer-content {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 1rem;
}

.footer-content p {
	margin: 0;
	color: var(--text-muted);
	font-size: 0.9rem;
}

.footer-content a {
	color: var(--accent-blue);
	text-decoration: none;
	transition: var(--transition);
}

.footer-content a:hover {
	color: var(--accent-blue-hover);
	text-decoration: underline;
}

/* Modals */
.modal {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	backdrop-filter: blur(4px);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 1000;
	transition: var(--transition);
}

.modal.hidden {
	opacity: 0;
	pointer-events: none;
}

.modal-content {
	background: var(--bg-card);
	border-radius: var(--border-radius);
	border: 1px solid var(--border-color);
	box-shadow: var(--shadow-lg);
	max-width: 90vw;
	max-height: 90vh;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	width: 500px;
}

.modal-header {
	padding: 1.5rem;
	border-bottom: 1px solid var(--border-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: var(--bg-secondary);
}

.modal-header h3 {
	color: var(--text-primary);
	font-size: 1.4rem;
	font-weight: 600;
	margin: 0;
}

.close-btn {
	background: none;
	border: none;
	color: var(--text-muted);
	font-size: 1.5rem;
	cursor: pointer;
	padding: 0.25rem;
	line-height: 1;
	transition: var(--transition);
}

.close-btn:hover {
	color: var(--text-primary);
}

.modal-body {
	padding: 1.5rem;
}

.customize-grid {
	display: grid;
	gap: 1rem;
}

.customize-section {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.customize-section label {
	color: var(--text-primary);
	font-weight: 600;
	font-size: 0.9rem;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.customize-section select,
.customize-section input {
	background: var(--bg-tertiary);
	border: 1px solid var(--border-color);
	border-radius: var(--border-radius);
	padding: 0.75rem;
	color: var(--text-primary);
	font-size: 0.9rem;
	transition: var(--transition);
}

.customize-section select:focus,
.customize-section input:focus {
	outline: none;
	border-color: var(--accent-blue);
	box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

.modal-footer {
	padding: 1rem 1.5rem;
	border-top: 1px solid var(--border-color);
	display: flex;
	gap: 1rem;
	justify-content: flex-end;
	background: var(--bg-secondary);
}

/* Animations */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* Smooth scrolling */
html {
	scroll-behavior: smooth;
}

/* Scrollbars */
::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}

::-webkit-scrollbar-track {
	background: var(--bg-tertiary);
	border-radius: 4px;
}

::-webkit-scrollbar-thumb {
	background: var(--border-color);
	border-radius: 4px;
	transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--text-muted);
}

::-webkit-scrollbar-corner {
	background: var(--bg-tertiary);
}

/* Firefox scrollbar styling */
.sidebar-nav,
.weapon-skins-grid,
.skins-container {
	scrollbar-width: thin;
	scrollbar-color: var(--border-color) var(--bg-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
	.app-main {
		flex-direction: column;
	}
	
	.sidebar {
		width: 100%;
		max-height: 400px;
	}
	
	.main-content {
		padding: 1rem;
	}
	
	.loadout-grid {
		grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
	}
}

@media (max-width: 768px) {
	.app-header {
		padding: 1rem;
		flex-direction: column;
		gap: 1rem;
		height: auto;
	}
	
	.header-right {
		width: 100%;
		justify-content: center;
	}
	
	.modal-content {
		width: 90%;
		margin: 1rem;
	}
	
	.loadout-header h2 {
		font-size: 1.5rem;
	}
}

@media (max-width: 480px) {
	.loadout-grid {
		grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
	}
	
	.main-content {
		padding: 0.5rem;
	}
}