@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --bg-color: #f4f6f9;
    --sidebar-width: 260px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: #ffffff;
    border-right: 1px solid #e9ecef;
    z-index: 1000;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 20px;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

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

.sidebar-menu a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: 0.3s;
    font-weight: 500;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background: #e9ecef;
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    margin-bottom: 20px;
}

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

.stat-card {
    border-left: 4px solid var(--primary-color);
}

.tool-card {
    text-align: center;
    padding: 30px;
    cursor: pointer;
}

.tool-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}