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

:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --dark: #212529;
    --light: #f8f9fa;
    --white: #ffffff;
}

body {
    font-family: 'Hind Siliguri', sans-serif;
    background-color: #f0f2f5;
    margin: 0;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background: var(--dark);
    min-height: 100vh;
    color: var(--white);
    position: fixed;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 20px;
    background: rgba(0,0,0,0.1);
    text-align: center;
    border-bottom: 1px solid #343a40;
}

.sidebar ul {
    list-style: none;
    padding: 10px;
}

.sidebar ul li a {
    color: #adb5bd;
    text-decoration: none;
    display: block;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 5px;
    transition: 0.3s;
}

.sidebar ul li a:hover, .sidebar ul li a.active {
    background: var(--primary);
    color: white;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    padding: 30px;
}

.card-stat {
    background: white;
    border: none;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.balance-box {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary {
    background-color: var(--primary);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
}

/* Auth Pages (Login/Register) */
.auth-wrapper {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: 400px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}