* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f9;
    color: #222;
}

.login-body {
    background: linear-gradient(135deg, #0d6efd, #0b5ed7);
    min-height: 100vh;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 14px;
    padding: 30px;
    box-shadow: 0 15px 45px rgba(0,0,0,0.15);
}

.login-card h1 {
    margin-bottom: 8px;
    font-size: 28px;
}

.subtitle {
    color: #666;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    height: 44px;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 0 12px;
    font-size: 15px;
}

.btn {
    display: inline-block;
    text-decoration: none;
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.btn-primary {
    background: #0d6efd;
    color: #fff;
    width: 100%;
}

.btn-danger {
    background: #dc3545;
    color: #fff;
}

.alert {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-danger {
    background: #f8d7da;
    color: #842029;
}

.topbar {
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.container {
    padding: 24px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}