/* Reset & Base Styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--primary: #3b82f6;
	--success: #10b981;
	--danger: #ef4444;
	--warning: #f59e0b;
	--info: #06b6d4;
	--bg-main: #f8fafc;
	--bg-card: #ffffff;
	--text-primary: #1e293b;
	--text-secondary: #64748b;
	--border: #e2e8f0;
	--shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	background: var(--bg-main);
	color: var(--text-primary);
	line-height: 1.6;
}

/* ==================== LOGIN PAGE ==================== */
.login-container {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	padding: 20px;
}

.login-box {
	background: var(--bg-card);
	padding: 40px;
	border-radius: 16px;
	box-shadow: var(--shadow-lg);
	width: 100%;
	max-width: 400px;
	text-align: center;
}

.logo {
	width: 60px;
	height: 60px;
	margin: 0 auto 20px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 12px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
}

.login-box h1 {
	font-size: 28px;
	margin-bottom: 10px;
	color: var(--text-primary);
}

.subtitle {
	color: var(--text-secondary);
	margin-bottom: 30px;
	font-size: 14px;
}

.input-group {
	margin-bottom: 20px;
	text-align: left;
}

.input-group label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	color: var(--text-primary);
	font-size: 14px;
}

.input-group input {
	width: 100%;
	padding: 12px 16px;
	border: 2px solid var(--border);
	border-radius: 8px;
	font-size: 14px;
	transition: border-color 0.3s;
}

.input-group input:focus {
	outline: none;
	border-color: var(--primary);
}

.error-message {
	color: var(--danger);
	font-size: 14px;
	margin-bottom: 15px;
	min-height: 20px;
}

.btn-login {
	width: 100%;
	padding: 12px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	border: none;
	border-radius: 8px;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: transform 0.2s;
}

.btn-login:hover {
	transform: translateY(-2px);
}

.btn-login:active {
	transform: translateY(0);
}

.login-info {
	margin-top: 30px;
	padding-top: 20px;
	border-top: 1px solid var(--border);
	font-size: 13px;
	color: var(--text-secondary);
}

.login-info strong {
	color: var(--text-primary);
}

/* ==================== DASHBOARD ==================== */
.dashboard-container {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

/* Header */
.header {
	background: var(--bg-card);
	border-bottom: 1px solid var(--border);
	box-shadow: var(--shadow);
	position: sticky;
	top: 0;
	z-index: 100;
}

.header-content {
	max-width: 1400px;
	margin: 0 auto;
	padding: 16px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.header h1 {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 24px;
	color: var(--text-primary);
}

.header h1 svg {
	color: var(--primary);
}

.header-actions {
	display: flex;
	align-items: center;
	gap: 16px;
}

.connection-status {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	background: var(--bg-main);
	border-radius: 8px;
	font-size: 14px;
}

.status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--text-secondary);
}

.connection-status.connected .status-dot {
	background: var(--success);
	animation: pulse 2s infinite;
}

@keyframes pulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.5;
	}
}

.btn-logout {
	padding: 8px 16px;
	background: var(--danger);
	color: white;
	border: none;
	border-radius: 8px;
	cursor: pointer;
	font-size: 14px;
	font-weight: 500;
	transition: opacity 0.3s;
}

.btn-logout:hover {
	opacity: 0.9;
}

/* Main Content */
.main-content {
	max-width: 1400px;
	margin: 0 auto;
	padding: 24px;
	width: 100%;
}

/* Stats Grid */
.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 20px;
	margin-bottom: 24px;
}

.stat-card {
	background: var(--bg-card);
	border-radius: 12px;
	padding: 20px;
	box-shadow: var(--shadow);
	display: flex;
	align-items: center;
	gap: 16px;
}

.stat-icon {
	width: 50px;
	height: 50px;
	border-radius: 12px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
}

.stat-icon.blue {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.stat-icon.green {
	background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}
.stat-icon.orange {
	background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}
.stat-icon.purple {
	background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.stat-info {
	flex: 1;
}

.stat-label {
	font-size: 14px;
	color: var(--text-secondary);
	margin-bottom: 4px;
}

.stat-value {
	font-size: 24px;
	font-weight: 700;
	color: var(--text-primary);
}

.stat-subvalue {
	font-size: 12px;
	color: var(--text-secondary);
	margin-top: 2px;
}

/* Control Grid */
.control-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 20px;
	margin-bottom: 24px;
}

.control-card {
	background: var(--bg-card);
	border-radius: 12px;
	padding: 24px;
	box-shadow: var(--shadow);
}

.control-card h2 {
	font-size: 18px;
	margin-bottom: 16px;
	color: var(--text-primary);
}

.relay-status {
	margin-bottom: 20px;
}

.status-indicator {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px;
	background: var(--bg-main);
	border-radius: 8px;
}

.indicator-light {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--text-secondary);
}

.indicator-light.on {
	background: var(--success);
	box-shadow: 0 0 10px var(--success);
}

.indicator-light.off {
	background: var(--text-secondary);
}

.status-indicator span {
	font-weight: 600;
	font-size: 14px;
}

.control-buttons {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.btn {
	flex: 1;
	min-width: 80px;
	padding: 10px 16px;
	border: none;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	transition: transform 0.2s, opacity 0.3s;
}

.btn:hover {
	opacity: 0.9;
	transform: translateY(-1px);
}

.btn:active {
	transform: translateY(0);
}

.btn-success {
	background: var(--success);
	color: white;
}

.btn-danger {
	background: var(--danger);
	color: white;
}

.btn-primary {
	background: var(--primary);
	color: white;
}

.btn-warning {
	background: var(--warning);
	color: white;
}

/* Config Panel */
.config-panel {
	background: var(--bg-card);
	border-radius: 12px;
	padding: 24px;
	box-shadow: var(--shadow);
	margin-bottom: 24px;
}

.config-panel h2 {
	font-size: 18px;
	margin-bottom: 20px;
	color: var(--text-primary);
}

.config-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 20px;
}

.config-item label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	font-size: 14px;
	color: var(--text-primary);
}

.input-with-button {
	display: flex;
	gap: 8px;
}

.config-item input {
	flex: 1;
	padding: 10px 12px;
	border: 2px solid var(--border);
	border-radius: 8px;
	font-size: 14px;
}

.config-item input:focus {
	outline: none;
	border-color: var(--primary);
}

/* Log Panel */
.log-panel {
	background: var(--bg-card);
	border-radius: 12px;
	padding: 24px;
	box-shadow: var(--shadow);
}

.log-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 16px;
}

.log-header h2 {
	font-size: 18px;
	color: var(--text-primary);
}

.btn-clear-log {
	padding: 6px 12px;
	background: var(--text-secondary);
	color: white;
	border: none;
	border-radius: 6px;
	font-size: 12px;
	cursor: pointer;
	transition: opacity 0.3s;
}

.btn-clear-log:hover {
	opacity: 0.9;
}

.log-content {
	max-height: 300px;
	overflow-y: auto;
	background: var(--bg-main);
	border-radius: 8px;
	padding: 12px;
	font-family: 'Monaco', 'Courier New', monospace;
	font-size: 13px;
}

.log-entry {
	padding: 8px;
	margin-bottom: 4px;
	border-left: 3px solid var(--text-secondary);
	padding-left: 12px;
}

.log-entry.info {
	border-color: var(--info);
	color: var(--info);
}
.log-entry.success {
	border-color: var(--success);
	color: var(--success);
}
.log-entry.error {
	border-color: var(--danger);
	color: var(--danger);
}
.log-entry.warning {
	border-color: var(--warning);
	color: var(--warning);
}

/* Responsive */
@media (max-width: 768px) {
	.header-content {
		flex-direction: column;
		gap: 12px;
	}

	.stats-grid {
		grid-template-columns: 1fr;
	}

	.control-grid {
		grid-template-columns: 1fr;
	}

	.config-grid {
		grid-template-columns: 1fr;
	}
}

/* Scrollbar */
.log-content::-webkit-scrollbar {
	width: 6px;
}

.log-content::-webkit-scrollbar-track {
	background: var(--border);
	border-radius: 3px;
}

.log-content::-webkit-scrollbar-thumb {
	background: var(--text-secondary);
	border-radius: 3px;
}

.log-content::-webkit-scrollbar-thumb:hover {
	background: var(--primary);
}