* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    overflow: hidden;
}

/* Login Page Styles */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    margin-bottom: 30px;
}

.login-header h1 {
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.role-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.role-option {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.role-option.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.login-btn:active {
    transform: translateY(-1px);
}

.demo-credentials {
    margin-top: 25px;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    font-size: 12px;
    text-align: left;
}

.demo-credentials h4 {
    color: #667eea;
    margin-bottom: 8px;
    text-align: center;
}

.error-message {
    color: #c62828;
    font-size: 12px;
    margin-top: 5px;
    text-align: center;
}

.success-message {
    color: #2d5a2d;
    font-size: 12px;
    margin-top: 5px;
    text-align: center;
}

/* Main Dashboard Styles */
.container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-header h3 {
    margin-bottom: 5px;
    font-size: 16px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.9;
}

.welcome-section {
    padding: 15px 20px;
    background: rgba(102, 126, 234, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.welcome-section h4 {
    color: #333;
    font-size: 14px;
}

.nav-menu {
    padding: 10px 0;
}

.nav-item {
    margin-bottom: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 14px;
}

.nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.nav-link.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.nav-icon {
    margin-right: 10px;
    font-size: 16px;
}

.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.05);
}

.submenu.open {
    max-height: 300px;
}

.submenu .nav-link {
    padding-left: 50px;
    font-size: 13px;
}

.main-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    margin: 10px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.content-header {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-body {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

.table-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 20px;
}

.table-header {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 15px 20px;
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}

th {
    background: #f8f9ff;
    font-weight: 600;
    color: #333;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
}

.status-online { background: #e8f5e8; color: #2d5a2d; }
.status-offline { background: #ffebee; color: #c62828; }
.status-on { background: #e3f2fd; color: #1565c0; }
.status-off { background: #fff3e0; color: #ef6c00; }
.status-success { background: #e8f5e8; color: #2d5a2d; }
.status-failure { background: #ffebee; color: #c62828; }
.status-pending { background: #fff3e0; color: #ef6c00; }

.form-container {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 500px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.filter-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.filter-tab {
    padding: 8px 16px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
}

.filter-tab.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.view-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 11px;
    transition: all 0.3s ease;
}

.view-btn:hover {
    background: #5a6fd8;
}

.hidden {
    display: none;
}

.profile-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
}

.profile-info {
    margin-bottom: 20px;
}

.profile-info strong {
    color: #333;
    display: inline-block;
    width: 120px;
}

.owner-dashboard {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.owner-tabs {
    display: flex;
    background: #f8f9ff;
    border-radius: 10px;
    padding: 5px;
    margin-bottom: 20px;
}

.owner-tab {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    font-weight: 600;
}

.owner-tab.active {
    background: #667eea;
    color: white;
}

.chart-container {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    text-align: center;
}

.chart-placeholder {
    height: 200px;
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 14px;
}

.notification-card {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
    border-left: 4px solid #667eea;
}

.live-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.live-data-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.live-data-value {
    font-size: 18px;
    font-weight: bold;
    color: #667eea;
}

.live-data-label {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}